202123117052 has 12 divisors (see below), whose sum is σ = 353726217600. Its totient is φ = 101058483456.

The previous prime is 202123117013. The next prime is 202123117061. The reversal of 202123117052 is 250711321202.

It is a congruent number.

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, 617573 + ... + 886364.

It is an arithmetic number, because the mean of its divisors is an integer number (29477184800).

Almost surely, 2^202123117052 is an apocalyptic number.

It is an amenable number.

202123117052 is a deficient number, since it is larger than the sum of its proper divisors (151603100548).

202123117052 is a wasteful number, since it uses less digits than its factorization.

202123117052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537540 (or 1537538 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 202123117052 its reverse (250711321202), we get a palindrome (452834438254).

The spelling of 202123117052 in words is "two hundred two billion, one hundred twenty-three million, one hundred seventeen thousand, fifty-two".