12210012021210 has 32 divisors (see below), whose sum is σ = 29304881144640. Its totient is φ = 3255908506368.

The previous prime is 12210012021191. The next prime is 12210012021281. The reversal of 12210012021210 is 1212021001221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12210012021210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4866975 + ... + 6935954.

It is an arithmetic number, because the mean of its divisors is an integer number (915777535770).

Almost surely, 2^{12210012021210} is an apocalyptic number.

12210012021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210012021210 is an abundant number, since it is smaller than the sum of its proper divisors (17094869123430).

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

12210012021210 is a wasteful number, since it uses less digits than its factorization.

12210012021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837422.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12210012021210 its reverse (1212021001221), we get a palindrome (13422033022431).

The spelling of 12210012021210 in words is "twelve trillion, two hundred ten billion, twelve million, twenty-one thousand, two hundred ten".