77022002212 has 24 divisors (see below), whose sum is σ = 135783027072. Its totient is φ = 38227896000.

The previous prime is 77022002203. The next prime is 77022002231. The reversal of 77022002212 is 21220022077.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165337 + ... + 425887.

It is an arithmetic number, because the mean of its divisors is an integer number (5657626128).

Almost surely, 2^77022002212 is an apocalyptic number.

It is an amenable number.

77022002212 is a deficient number, since it is larger than the sum of its proper divisors (58761024860).

77022002212 is a wasteful number, since it uses less digits than its factorization.

77022002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261099 (or 261097 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

Adding to 77022002212 its reverse (21220022077), we get a palindrome (98242024289).

The spelling of 77022002212 in words is "seventy-seven billion, twenty-two million, two thousand, two hundred twelve".