1002312123202 has 32 divisors (see below), whose sum is σ = 1650921053040. Its totient is φ = 453567928320.

The previous prime is 1002312123173. The next prime is 1002312123209. The reversal of 1002312123202 is 2023212132001.

1002312123202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14635918441 + 987676204761 = 120979^2 + 993819^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1002312123202.

It is not an unprimeable number, because it can be changed into a prime (1002312123209) 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, 513127 + ... + 1505962.

Almost surely, 2^{1002312123202} is an apocalyptic number.

1002312123202 is a deficient number, since it is larger than the sum of its proper divisors (648608929838).

1002312123202 is a wasteful number, since it uses less digits than its factorization.

1002312123202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019478.

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

Adding to 1002312123202 its reverse (2023212132001), we get a palindrome (3025524255203).

The spelling of 1002312123202 in words is "one trillion, two billion, three hundred twelve million, one hundred twenty-three thousand, two hundred two".