102001222202012 has 24 divisors (see below), whose sum is σ = 216002588193504. Its totient is φ = 41143350131712.

The previous prime is 102001222201897. The next prime is 102001222202023. The reversal of 102001222202012 is 210202222100201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 107144140493 + ... + 107144141444.

It is an arithmetic number, because the mean of its divisors is an integer number (9000107841396).

Almost surely, 2^{102001222202012} is an apocalyptic number.

It is an amenable number.

102001222202012 is an abundant number, since it is smaller than the sum of its proper divisors (114001365991492).

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

102001222202012 is a wasteful number, since it uses less digits than its factorization.

102001222202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214288281965 (or 214288281963 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102001222202012 its reverse (210202222100201), we get a palindrome (312203444302213).

The spelling of 102001222202012 in words is "one hundred two trillion, one billion, two hundred twenty-two million, two hundred two thousand, twelve".