2103202102312 has 16 divisors (see below), whose sum is σ = 3943569003840. Its totient is φ = 1051583701296.

The previous prime is 2103202102303. The next prime is 2103202102343. The reversal of 2103202102312 is 2132012023012.

It is a self number, because there is not a number n which added to its sum of digits gives 2103202102312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646128 + ... + 2629855.

It is an arithmetic number, because the mean of its divisors is an integer number (246473062740).

Almost surely, 2^{2103202102312} is an apocalyptic number.

It is an amenable number.

2103202102312 is a deficient number, since it is larger than the sum of its proper divisors (1840366901528).

2103202102312 is a wasteful number, since it uses less digits than its factorization.

2103202102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337472 (or 4337468 counting only the distinct ones).

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

Adding to 2103202102312 its reverse (2132012023012), we get a palindrome (4235214125324).

The spelling of 2103202102312 in words is "two trillion, one hundred three billion, two hundred two million, one hundred two thousand, three hundred twelve".