102120012330 has 32 divisors (see below), whose sum is σ = 280100605824. Its totient is φ = 23341717056.

The previous prime is 102120012307. The next prime is 102120012347. The reversal of 102120012330 is 33210021201.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 243142677 + ... + 243143096.

It is an arithmetic number, because the mean of its divisors is an integer number (8753143932).

Almost surely, 2^102120012330 is an apocalyptic number.

102120012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120012330 is an abundant number, since it is smaller than the sum of its proper divisors (177980593494).

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

102120012330 is a wasteful number, since it uses less digits than its factorization.

102120012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486285790.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102120012330 its reverse (33210021201), we get a palindrome (135330033531).

The spelling of 102120012330 in words is "one hundred two billion, one hundred twenty million, twelve thousand, three hundred thirty".