120994479892 has 72 divisors (see below), whose sum is σ = 255447222912. Its totient is φ = 49686624000.

The previous prime is 120994479871. The next prime is 120994479901. The reversal of 120994479892 is 298974499021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176392 + ... + 522592.

It is an arithmetic number, because the mean of its divisors is an integer number (3547878096).

Almost surely, 2^120994479892 is an apocalyptic number.

It is an amenable number.

120994479892 is an abundant number, since it is smaller than the sum of its proper divisors (134452743020).

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

120994479892 is a wasteful number, since it uses less digits than its factorization.

120994479892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346289 (or 346274 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 120994479892 in words is "one hundred twenty billion, nine hundred ninety-four million, four hundred seventy-nine thousand, eight hundred ninety-two".