1020102312002 has 16 divisors (see below), whose sum is σ = 1580380797240. Its totient is φ = 493572373632.

The previous prime is 1020102311993. The next prime is 1020102312007. The reversal of 1020102312002 is 2002132010201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 729591013921 + 290511298081 = 854161^2 + 538991^2 .

It is not an unprimeable number, because it can be changed into a prime (1020102312007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65907377 + ... + 65922852.

Almost surely, 2^{1020102312002} is an apocalyptic number.

1020102312002 is a deficient number, since it is larger than the sum of its proper divisors (560278485238).

1020102312002 is a wasteful number, since it uses less digits than its factorization.

1020102312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131830357.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1020102312002 its reverse (2002132010201), we get a palindrome (3022234322203).

The spelling of 1020102312002 in words is "one trillion, twenty billion, one hundred two million, three hundred twelve thousand, two".