12121002022210 has 32 divisors (see below), whose sum is σ = 21905722944000. Its totient is φ = 4828864944000.

The previous prime is 12121002022189. The next prime is 12121002022231. The reversal of 12121002022210 is 1222020012121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12121002022189) and next prime (12121002022231).

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, 62148126 + ... + 62342854.

It is an arithmetic number, because the mean of its divisors is an integer number (684553842000).

Almost surely, 2^{12121002022210} is an apocalyptic number.

12121002022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121002022210 is a deficient number, since it is larger than the sum of its proper divisors (9784720921790).

12121002022210 is a wasteful number, since it uses less digits than its factorization.

12121002022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219786.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12121002022210 its reverse (1222020012121), we get a palindrome (13343022034331).

The spelling of 12121002022210 in words is "twelve trillion, one hundred twenty-one billion, two million, twenty-two thousand, two hundred ten".