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212431141212020 = 225171932884077587
BaseRepresentation
bin110000010011010001111010…
…101101100000111101110100
31000212011012220110222000022122
4300103101322231200331310
5210320432434122241040
62031445304040015112
762513433466216613
oct6023217255407564
91025135813860278
10212431141212020
11617615a5167005
121b9aa6b3461498
13916c22ac31c73
143a65a175d987a
151985c4c7a91b5
hexc1347ab60f74

212431141212020 has 48 divisors (see below), whose sum is σ = 497207253130560. Its totient is φ = 75764914758144.

The previous prime is 212431141212019. The next prime is 212431141212041. The reversal of 212431141212020 is 20212141134212.

212431141212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16442032334 + ... + 16442045253.

It is an arithmetic number, because the mean of its divisors is an integer number (10358484440220).

Almost surely, 2212431141212020 is an apocalyptic number.

212431141212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212431141212020 is an abundant number, since it is smaller than the sum of its proper divisors (284776111918540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212431141212020 is a wasteful number, since it uses less digits than its factorization.

212431141212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32884077632 (or 32884077630 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 212431141212020 its reverse (20212141134212), we get a palindrome (232643282346232).

The spelling of 212431141212020 in words is "two hundred twelve trillion, four hundred thirty-one billion, one hundred forty-one million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 1292 1615 3230 6460 32884077587 65768155174 131536310348 164420387935 328840775870 559029318979 624797474153 657681551740 1118058637958 1249594948306 2236117275916 2499189896612 2795146594895 3123987370765 5590293189790 6247974741530 10621557060601 11180586379580 12495949483060 21243114121202 42486228242404 53107785303005 106215570606010 212431141212020