121423219252 has 12 divisors (see below), whose sum is σ = 212502996160. Its totient is φ = 60708077496.

The previous prime is 121423219241. The next prime is 121423219289. The reversal of 121423219252 is 252912324121.

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, 804918 + ... + 943789.

Almost surely, 2^121423219252 is an apocalyptic number.

It is an amenable number.

121423219252 is a deficient number, since it is larger than the sum of its proper divisors (91079776908).

121423219252 is a wasteful number, since it uses less digits than its factorization.

121423219252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766070 (or 1766068 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The spelling of 121423219252 in words is "one hundred twenty-one billion, four hundred twenty-three million, two hundred nineteen thousand, two hundred fifty-two".