120000111012 has 30 divisors (see below), whose sum is σ = 313703994758. Its totient is φ = 40000036896.

The previous prime is 120000110999. The next prime is 120000111019. The reversal of 120000111012 is 210111000021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 112054884516 + 7945226496 = 334746^2 + 89136^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120000110985 and 120000111003.

It is not an unprimeable number, because it can be changed into a prime (120000111019) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 185185033 + ... + 185185680.

Almost surely, 2^120000111012 is an apocalyptic number.

120000111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120000111012 is an abundant number, since it is smaller than the sum of its proper divisors (193703883746).

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

120000111012 is a wasteful number, since it uses less digits than its factorization.

120000111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370370729 (or 370370718 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120000111012 its reverse (210111000021), we get a palindrome (330111111033).

The spelling of 120000111012 in words is "one hundred twenty billion, one hundred eleven thousand, twelve".