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212010021200 = 24521738330491
BaseRepresentation
bin1100010101110011001…
…0000011000101010000
3202021020100020222100102
43011130302003011100
511433144031134300
6241221314311532
721213543306035
oct3053462030520
9667210228312
10212010021200
1181a0514795a
12351098885a8
1316cb95820b3
14a39318b38c
1557aca240d5
hex315cc83150

212010021200 has 60 divisors (see below), whose sum is σ = 509400083808. Its totient is φ = 84796348800.

The previous prime is 212010021191. The next prime is 212010021217. The reversal of 212010021200 is 2120010212.

Adding to 212010021200 its reverse (2120010212), we get a palindrome (214130031412).

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6937955 + ... + 6968445.

Almost surely, 2212010021200 is an apocalyptic number.

212010021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010021200 is an abundant number, since it is smaller than the sum of its proper divisors (297390062608).

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

212010021200 is a wasteful number, since it uses less digits than its factorization.

212010021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47892 (or 47881 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The spelling of 212010021200 in words is "two hundred twelve billion, ten million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 17383 30491 34766 60982 69532 86915 121964 139064 152455 173830 243928 278128 304910 347660 434575 487856 609820 695320 762275 869150 1219640 1390640 1524550 1738300 2439280 3049100 3476600 6098200 6953200 12196400 530025053 1060050106 2120100212 2650125265 4240200424 5300250530 8480400848 10600501060 13250626325 21201002120 26501252650 42402004240 53002505300 106005010600 212010021200