102122012330 has 32 divisors (see below), whose sum is σ = 198592131024. Its totient is φ = 37586105856.

The previous prime is 102122012323. The next prime is 102122012351. The reversal of 102122012330 is 33210221201.

It can be written as a sum of positive squares in 8 ways, for example, as 2305824361 + 99816187969 = 48019^2 + 315937^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102122012299 and 102122012308.

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, 1214189 + ... + 1295568.

Almost surely, 2^102122012330 is an apocalyptic number.

102122012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102122012330 is a deficient number, since it is larger than the sum of its proper divisors (96470118694).

102122012330 is a wasteful number, since it uses less digits than its factorization.

102122012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510090.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102122012330 its reverse (33210221201), we get a palindrome (135332233531).

The spelling of 102122012330 in words is "one hundred two billion, one hundred twenty-two million, twelve thousand, three hundred thirty".