102012130 has 64 divisors (see below), whose sum is σ = 212772096. Its totient is φ = 34848000.

The previous prime is 102012091. The next prime is 102012133. The reversal of 102012130 is 31210201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102012133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154000 + ... + 154660.

It is an arithmetic number, because the mean of its divisors is an integer number (3324564).

Almost surely, 2^102012130 is an apocalyptic number.

102012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012130 is an abundant number, since it is smaller than the sum of its proper divisors (110759966).

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

102012130 is a wasteful number, since it uses less digits than its factorization.

102012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102012130 is about 10100.1054449941. The cubic root of 102012130 is about 467.2513934568.

Adding to 102012130 its reverse (31210201), we get a palindrome (133222331).

The spelling of 102012130 in words is "one hundred two million, twelve thousand, one hundred thirty".