12210000012122 has 64 divisors (see below), whose sum is σ = 20653848281088. Its totient is φ = 5365550400000.

The previous prime is 12210000012101. The next prime is 12210000012157. The reversal of 12210000012122 is 22121000001221.

It is a junction number, because it is equal to n+sod(n) for n = 12210000012097 and 12210000012106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116454122 + ... + 116558922.

It is an arithmetic number, because the mean of its divisors is an integer number (322716379392).

Almost surely, 2^{12210000012122} is an apocalyptic number.

12210000012122 is a deficient number, since it is larger than the sum of its proper divisors (8443848268966).

12210000012122 is a wasteful number, since it uses less digits than its factorization.

12210000012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106115.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12210000012122 its reverse (22121000001221), we get a palindrome (34331000013343).

The spelling of 12210000012122 in words is "twelve trillion, two hundred ten billion, twelve thousand, one hundred twenty-two".