102012211200220 has 96 divisors (see below), whose sum is σ = 234295243560000. Its totient is φ = 37161261139968.

The previous prime is 102012211200209. The next prime is 102012211200259. The reversal of 102012211200220 is 22002112210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102012211200194 and 102012211200203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17688225 + ... + 22735384.

It is an arithmetic number, because the mean of its divisors is an integer number (2440575453750).

Almost surely, 2^{102012211200220} is an apocalyptic number.

102012211200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012211200220 is an abundant number, since it is smaller than the sum of its proper divisors (132283032359780).

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

102012211200220 is a wasteful number, since it uses less digits than its factorization.

102012211200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40423895 (or 40423893 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102012211200220 its reverse (22002112210201), we get a palindrome (124014323410421).

The spelling of 102012211200220 in words is "one hundred two trillion, twelve billion, two hundred eleven million, two hundred thousand, two hundred twenty".