120112012011100 has 36 divisors (see below), whose sum is σ = 260709371436808. Its totient is φ = 48032582616000.

The previous prime is 120112012010987. The next prime is 120112012011151. The reversal of 120112012011100 is 1110210211021.

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 11 ways as a sum of consecutive naturals, for example, 152382291 + ... + 153168490.

Almost surely, 2^{120112012011100} is an apocalyptic number.

120112012011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112012011100 is an abundant number, since it is smaller than the sum of its proper divisors (140597359425708).

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

120112012011100 is a wasteful number, since it uses less digits than its factorization.

120112012011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305554726 (or 305554719 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120112012011100 its reverse (1110210211021), we get a palindrome (121222222222121).

The spelling of 120112012011100 in words is "one hundred twenty trillion, one hundred twelve billion, twelve million, eleven thousand, one hundred".