102030313012 has 24 divisors (see below), whose sum is σ = 180573913800. Its totient is φ = 50439975936.

The previous prime is 102030313003. The next prime is 102030313037. The reversal of 102030313012 is 210313030201.

It can be written as a sum of positive squares in 4 ways, for example, as 20539475856 + 81490837156 = 143316^2 + 285466^2 .

It is a congruent 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, 91087 + ... + 460822.

It is an arithmetic number, because the mean of its divisors is an integer number (7523913075).

Almost surely, 2^102030313012 is an apocalyptic number.

It is an amenable number.

102030313012 is a deficient number, since it is larger than the sum of its proper divisors (78543600788).

102030313012 is a wasteful number, since it uses less digits than its factorization.

102030313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552435 (or 552433 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 102030313012 its reverse (210313030201), we get a palindrome (312343343213).

The spelling of 102030313012 in words is "one hundred two billion, thirty million, three hundred thirteen thousand, twelve".