121389746162 has 16 divisors (see below), whose sum is σ = 182777515200. Its totient is φ = 60464318640.

The previous prime is 121389746123. The next prime is 121389746207. The reversal of 121389746162 is 261647983121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121389746162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491987 + ... + 696297.

It is an arithmetic number, because the mean of its divisors is an integer number (11423594700).

Almost surely, 2^121389746162 is an apocalyptic number.

121389746162 is a deficient number, since it is larger than the sum of its proper divisors (61387769038).

121389746162 is a wasteful number, since it uses less digits than its factorization.

121389746162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205441.

The product of its digits is 870912, while the sum is 50.

The spelling of 121389746162 in words is "one hundred twenty-one billion, three hundred eighty-nine million, seven hundred forty-six thousand, one hundred sixty-two".