102012021222212 has 12 divisors (see below), whose sum is σ = 179367108406416. Its totient is φ = 50764275963240.

The previous prime is 102012021222211. The next prime is 102012021222277. The reversal of 102012021222212 is 212222120210201.

It is not an unprimeable number, because it can be changed into a prime (102012021222211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60433661018 + ... + 60433662705.

It is an arithmetic number, because the mean of its divisors is an integer number (14947259033868).

Almost surely, 2^{102012021222212} is an apocalyptic number.

It is an amenable number.

102012021222212 is a deficient number, since it is larger than the sum of its proper divisors (77355087184204).

102012021222212 is a wasteful number, since it uses less digits than its factorization.

102012021222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120867323938 (or 120867323936 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102012021222212 its reverse (212222120210201), we get a palindrome (314234141432413).

The spelling of 102012021222212 in words is "one hundred two trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred twelve".