121332020112 has 60 divisors (see below), whose sum is σ = 341809950144. Its totient is φ = 40176158400.

The previous prime is 121332020107. The next prime is 121332020153. The reversal of 121332020112 is 211020233121.

121332020112 is a `hidden beast` number, since 1 + 213 + 320 + 20 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2768268 + ... + 2811755.

Almost surely, 2^121332020112 is an apocalyptic number.

121332020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121332020112 is an abundant number, since it is smaller than the sum of its proper divisors (220477930032).

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

121332020112 is a wasteful number, since it uses less digits than its factorization.

121332020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580188 (or 5580179 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121332020112 its reverse (211020233121), we get a palindrome (332352253233).

It can be divided in two parts, 121 and 332020112, that added together give a palindrome (332020233).

The spelling of 121332020112 in words is "one hundred twenty-one billion, three hundred thirty-two million, twenty thousand, one hundred twelve".