102130021234 has 16 divisors (see below), whose sum is σ = 158845962240. Its totient is φ = 49196141280.

The previous prime is 102130021193. The next prime is 102130021243. The reversal of 102130021234 is 432120031201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679579 + ... + 3707230.

It is an arithmetic number, because the mean of its divisors is an integer number (9927872640).

Almost surely, 2^102130021234 is an apocalyptic number.

102130021234 is a deficient number, since it is larger than the sum of its proper divisors (56715941006).

102130021234 is a wasteful number, since it uses less digits than its factorization.

102130021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7387065.

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

Adding to 102130021234 its reverse (432120031201), we get a palindrome (534250052435).

The spelling of 102130021234 in words is "one hundred two billion, one hundred thirty million, twenty-one thousand, two hundred thirty-four".