121118942292 has 12 divisors (see below), whose sum is σ = 282610865376. Its totient is φ = 40372980760.

The previous prime is 121118942261. The next prime is 121118942317. The reversal of 121118942292 is 292249811121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 5046622584 + ... + 5046622607.

It is an arithmetic number, because the mean of its divisors is an integer number (23550905448).

Almost surely, 2^121118942292 is an apocalyptic number.

121118942292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121118942292 is an abundant number, since it is smaller than the sum of its proper divisors (161491923084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121118942292 is a wasteful number, since it uses less digits than its factorization.

121118942292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093245198 (or 10093245196 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The spelling of 121118942292 in words is "one hundred twenty-one billion, one hundred eighteen million, nine hundred forty-two thousand, two hundred ninety-two".