102012203222120 has 64 divisors (see below), whose sum is σ = 243824435712000. Its totient is φ = 38302602202368.

The previous prime is 102012203222113. The next prime is 102012203222147. The reversal of 102012203222120 is 21222302210201.

It is a super-2 number, since 2×102012203222120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102012203222092 and 102012203222101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615635432 + ... + 615801111.

It is an arithmetic number, because the mean of its divisors is an integer number (3809756808000).

Almost surely, 2^{102012203222120} is an apocalyptic number.

102012203222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012203222120 is an abundant number, since it is smaller than the sum of its proper divisors (141812232489880).

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

102012203222120 is a wasteful number, since it uses less digits than its factorization.

102012203222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231436682 (or 1231436678 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102012203222120 its reverse (21222302210201), we get a palindrome (123234505432321).

The spelling of 102012203222120 in words is "one hundred two trillion, twelve billion, two hundred three million, two hundred twenty-two thousand, one hundred twenty".