202102013123092 has 6 divisors (see below), whose sum is σ = 353678522965418. Its totient is φ = 101051006561544.

The previous prime is 202102013123069. The next prime is 202102013123111. The reversal of 202102013123092 is 290321310201202.

It can be written as a sum of positive squares in only one way, i.e., 178710803212176 + 23391209910916 = 13368276^2 + 4836446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202102013123092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25262751640383 + ... + 25262751640390.

Almost surely, 2^{202102013123092} is an apocalyptic number.

It is an amenable number.

202102013123092 is a deficient number, since it is larger than the sum of its proper divisors (151576509842326).

202102013123092 is a wasteful number, since it uses less digits than its factorization.

202102013123092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50525503280777 (or 50525503280775 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 202102013123092 its reverse (290321310201202), we get a palindrome (492423323324294).

The spelling of 202102013123092 in words is "two hundred two trillion, one hundred two billion, thirteen million, one hundred twenty-three thousand, ninety-two".