121012020988 has 6 divisors (see below), whose sum is σ = 211771036736. Its totient is φ = 60506010492.

The previous prime is 121012020973. The next prime is 121012021007. The reversal of 121012020988 is 889020210121.

It is a super-2 number, since 2×121012020988² (a number of 23 digits) contains 22 as substring.

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, 15126502620 + ... + 15126502627.

Almost surely, 2^121012020988 is an apocalyptic number.

It is an amenable number.

121012020988 is a deficient number, since it is larger than the sum of its proper divisors (90759015748).

121012020988 is a wasteful number, since it uses less digits than its factorization.

121012020988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30253005251 (or 30253005249 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 121012020988 in words is "one hundred twenty-one billion, twelve million, twenty thousand, nine hundred eighty-eight".