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212020311129 = 3116424857913
BaseRepresentation
bin1100010101110101100…
…1010011010001011001
3202021021001121202110220
43011131121103101121
511433204144424004
6241222323030253
721214026623604
oct3053531232131
9667231552426
10212020311129
1181a0aa35930
123511120b389
1316cbb745903
14a3946a933b
1557ad8a7dd9
hex315d653459

212020311129 has 8 divisors (see below), whose sum is σ = 308393179872. Its totient is φ = 128497158240.

The previous prime is 212020311077. The next prime is 212020311133. The reversal of 212020311129 is 921113020212.

212020311129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212020311129 - 225 = 211986756697 is a prime.

It is a super-2 number, since 2×2120203111292 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212020311099 and 212020311108.

It is not an unprimeable number, because it can be changed into a prime (212020311029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212428924 + ... + 3212428989.

It is an arithmetic number, because the mean of its divisors is an integer number (38549147484).

Almost surely, 2212020311129 is an apocalyptic number.

It is an amenable number.

212020311129 is a deficient number, since it is larger than the sum of its proper divisors (96372868743).

212020311129 is a wasteful number, since it uses less digits than its factorization.

212020311129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424857927.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 212020311129 in words is "two hundred twelve billion, twenty million, three hundred eleven thousand, one hundred twenty-nine".

Divisors: 1 3 11 33 6424857913 19274573739 70673437043 212020311129