120312111102 has 64 divisors (see below), whose sum is σ = 264361273344. Its totient is φ = 36337950720.

The previous prime is 120312111079. The next prime is 120312111113. The reversal of 120312111102 is 201111213021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511693 + ... + 708839.

It is an arithmetic number, because the mean of its divisors is an integer number (4130644896).

Almost surely, 2^120312111102 is an apocalyptic number.

120312111102 is an abundant number, since it is smaller than the sum of its proper divisors (144049162242).

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

120312111102 is a wasteful number, since it uses less digits than its factorization.

120312111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197393.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120312111102 its reverse (201111213021), we get a palindrome (321423324123).

The spelling of 120312111102 in words is "one hundred twenty billion, three hundred twelve million, one hundred eleven thousand, one hundred two".