120111022012 has 24 divisors (see below), whose sum is σ = 224638659504. Its totient is φ = 55994579712.

The previous prime is 120111021977. The next prime is 120111022019. The reversal of 120111022012 is 210220111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111021983 and 120111022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111022019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8246643 + ... + 8261194.

It is an arithmetic number, because the mean of its divisors is an integer number (9359944146).

Almost surely, 2^120111022012 is an apocalyptic number.

It is an amenable number.

120111022012 is a deficient number, since it is larger than the sum of its proper divisors (104527637492).

120111022012 is a wasteful number, since it uses less digits than its factorization.

120111022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16507965 (or 16507963 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120111022012 its reverse (210220111021), we get a palindrome (330331133033).

The spelling of 120111022012 in words is "one hundred twenty billion, one hundred eleven million, twenty-two thousand, twelve".