210012211121202 has 64 divisors (see below), whose sum is σ = 533366096175360. Its totient is φ = 60003291964032.

The previous prime is 210012211121201. The next prime is 210012211121227. The reversal of 210012211121202 is 202121112210012.

210012211121202 is a `hidden beast` number, since 210 + 0 + 1 + 221 + 11 + 21 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (210012211121201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145459168 + ... + 146895860.

It is an arithmetic number, because the mean of its divisors is an integer number (8333845252740).

Almost surely, 2^{210012211121202} is an apocalyptic number.

210012211121202 is an abundant number, since it is smaller than the sum of its proper divisors (323353885054158).

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

210012211121202 is a wasteful number, since it uses less digits than its factorization.

210012211121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823424 (or 1823418 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210012211121202 its reverse (202121112210012), we get a palindrome (412133323331214).

The spelling of 210012211121202 in words is "two hundred ten trillion, twelve billion, two hundred eleven million, one hundred twenty-one thousand, two hundred two".