102001100021212 has 24 divisors (see below), whose sum is σ = 207851298159456. Its totient is φ = 42889950412608.

The previous prime is 102001100021209. The next prime is 102001100021237. The reversal of 102001100021212 is 212120001100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001100021192 and 102001100021201.

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, 34366945963 + ... + 34366948930.

It is an arithmetic number, because the mean of its divisors is an integer number (8660470756644).

Almost surely, 2^{102001100021212} is an apocalyptic number.

It is an amenable number.

102001100021212 is an abundant number, since it is smaller than the sum of its proper divisors (105850198138244).

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

102001100021212 is a wasteful number, since it uses less digits than its factorization.

102001100021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68733894957 (or 68733894955 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102001100021212 its reverse (212120001100201), we get a palindrome (314121101121413).

The spelling of 102001100021212 in words is "one hundred two trillion, one billion, one hundred million, twenty-one thousand, two hundred twelve".