12121220962 has 32 divisors (see below), whose sum is σ = 19430046720. Its totient is φ = 5654431440.

The previous prime is 12121220941. The next prime is 12121220963. The reversal of 12121220962 is 26902212121.

It is a self number, because there is not a number n which added to its sum of digits gives 12121220962.

It is not an unprimeable number, because it can be changed into a prime (12121220963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3135843 + ... + 3139705.

It is an arithmetic number, because the mean of its divisors is an integer number (607188960).

Almost surely, 2^12121220962 is an apocalyptic number.

12121220962 is a deficient number, since it is larger than the sum of its proper divisors (7308825758).

12121220962 is a wasteful number, since it uses less digits than its factorization.

12121220962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12121220962 in words is "twelve billion, one hundred twenty-one million, two hundred twenty thousand, nine hundred sixty-two".