102130213042 has 32 divisors (see below), whose sum is σ = 180322107840. Its totient is φ = 42769840320.

The previous prime is 102130213039. The next prime is 102130213043. The reversal of 102130213042 is 240312031201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102130213043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191817 + ... + 490972.

It is an arithmetic number, because the mean of its divisors is an integer number (5635065870).

Almost surely, 2^102130213042 is an apocalyptic number.

102130213042 is a deficient number, since it is larger than the sum of its proper divisors (78191894798).

102130213042 is a wasteful number, since it uses less digits than its factorization.

102130213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683338.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102130213042 its reverse (240312031201), we get a palindrome (342442244243).

The spelling of 102130213042 in words is "one hundred two billion, one hundred thirty million, two hundred thirteen thousand, forty-two".