77002222211012 has 24 divisors (see below), whose sum is σ = 154073288733504. Its totient is φ = 32986200023712.

The previous prime is 77002222211009. The next prime is 77002222211029. The reversal of 77002222211012 is 21011222220077.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 614617598 + ... + 614742869.

It is an arithmetic number, because the mean of its divisors is an integer number (6419720363896).

Almost surely, 2^{77002222211012} is an apocalyptic number.

It is an amenable number.

77002222211012 is an abundant number, since it is smaller than the sum of its proper divisors (77071066522492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77002222211012 is a wasteful number, since it uses less digits than its factorization.

77002222211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229362715 (or 1229362713 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 77002222211012 its reverse (21011222220077), we get a palindrome (98013444431089).

The spelling of 77002222211012 in words is "seventy-seven trillion, two billion, two hundred twenty-two million, two hundred eleven thousand, twelve".