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212021133201 = 3331192517677
BaseRepresentation
bin1100010101110101110…
…0011011111110010001
3202021021010011112011000
43011131130123332101
511433204402230301
6241222352412213
721214036616403
oct3053534337621
9667233145130
10212021133201
1181a10447529
1235111547069
1316cbb972b47
14a394840b73
1557ad9bb786
hex315d71bf91

212021133201 has 16 divisors (see below), whose sum is σ = 314206214400. Its totient is φ = 141302047824.

The previous prime is 212021133193. The next prime is 212021133229. The reversal of 212021133201 is 102331120212.

212021133201 is a `hidden beast` number, since 2 + 120 + 211 + 332 + 0 + 1 = 666.

It is not a de Polignac number, because 212021133201 - 23 = 212021133193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021133251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1174626 + ... + 1343051.

It is an arithmetic number, because the mean of its divisors is an integer number (19637888400).

Almost surely, 2212021133201 is an apocalyptic number.

It is an amenable number.

212021133201 is a deficient number, since it is larger than the sum of its proper divisors (102185081199).

212021133201 is a wasteful number, since it uses less digits than its factorization.

212021133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520805 (or 2520799 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212021133201 its reverse (102331120212), we get a palindrome (314352253413).

The spelling of 212021133201 in words is "two hundred twelve billion, twenty-one million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 3 9 27 3119 9357 28071 84213 2517677 7553031 22659093 67977279 7852634563 23557903689 70673711067 212021133201