212221111012002 has 24 divisors (see below), whose sum is σ = 460909811522160. Its totient is φ = 70571538902040.

The previous prime is 212221111011947. The next prime is 212221111012033. The reversal of 212221111012002 is 200210111122212.

212221111012002 is a `hidden beast` number, since 212 + 221 + 1 + 110 + 120 + 0 + 2 = 666.

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

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, 14069278524 + ... + 14069293607.

It is an arithmetic number, because the mean of its divisors is an integer number (19204575480090).

Almost surely, 2^{212221111012002} is an apocalyptic number.

212221111012002 is an abundant number, since it is smaller than the sum of its proper divisors (248688700510158).

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

212221111012002 is a wasteful number, since it uses less digits than its factorization.

212221111012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28138572558 (or 28138572555 counting only the distinct ones).

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

Adding to 212221111012002 its reverse (200210111122212), we get a palindrome (412431222134214).

The spelling of 212221111012002 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred eleven million, twelve thousand, two".