12212119977 has 16 divisors (see below), whose sum is σ = 16358580480. Its totient is φ = 8103571200.

The previous prime is 12212119973. The next prime is 12212119981. The reversal of 12212119977 is 77991121221.

It is an interprime number because it is at equal distance from previous prime (12212119973) and next prime (12212119981).

It is not a de Polignac number, because 12212119977 - 2² = 12212119973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212119973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331952 + ... + 2337182.

It is an arithmetic number, because the mean of its divisors is an integer number (1022411280).

Almost surely, 2^12212119977 is an apocalyptic number.

It is an amenable number.

12212119977 is a deficient number, since it is larger than the sum of its proper divisors (4146460503).

12212119977 is a wasteful number, since it uses less digits than its factorization.

12212119977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704.

The product of its digits is 31752, while the sum is 42.

The spelling of 12212119977 in words is "twelve billion, two hundred twelve million, one hundred nineteen thousand, nine hundred seventy-seven".