213651105106252 has 24 divisors (see below), whose sum is σ = 408690275922432. Its totient is φ = 96921068816400.

The previous prime is 213651105106193. The next prime is 213651105106333. The reversal of 213651105106252 is 252601501156312.

It is an unprimeable number.

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, 4826724324 + ... + 4826768587.

It is an arithmetic number, because the mean of its divisors is an integer number (17028761496768).

Almost surely, 2^{213651105106252} is an apocalyptic number.

213651105106252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213651105106252 is a deficient number, since it is larger than the sum of its proper divisors (195039170816180).

213651105106252 is a wasteful number, since it uses less digits than its factorization.

213651105106252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653493429 (or 9653493427 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 213651105106252 in words is "two hundred thirteen trillion, six hundred fifty-one billion, one hundred five million, one hundred six thousand, two hundred fifty-two".