102001222212 has 12 divisors (see below), whose sum is σ = 238002851856. Its totient is φ = 34000407400.

The previous prime is 102001222199. The next prime is 102001222231. The reversal of 102001222212 is 212222100201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 102001222191 and 102001222200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250050914 + ... + 4250050937.

It is an arithmetic number, because the mean of its divisors is an integer number (19833570988).

Almost surely, 2^102001222212 is an apocalyptic number.

102001222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102001222212 is an abundant number, since it is smaller than the sum of its proper divisors (136001629644).

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

102001222212 is a wasteful number, since it uses less digits than its factorization.

102001222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500101858 (or 8500101856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102001222212 its reverse (212222100201), we get a palindrome (314223322413).

The spelling of 102001222212 in words is "one hundred two billion, one million, two hundred twenty-two thousand, two hundred twelve".