120111212212 has 24 divisors (see below), whose sum is σ = 221355327200. Its totient is φ = 56869628256.

The previous prime is 120111212209. The next prime is 120111212239. The reversal of 120111212212 is 212212111021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175818 + ... + 520705.

Almost surely, 2^120111212212 is an apocalyptic number.

It is an amenable number.

120111212212 is a deficient number, since it is larger than the sum of its proper divisors (101244114988).

120111212212 is a wasteful number, since it uses less digits than its factorization.

120111212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698815 (or 698813 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120111212212 its reverse (212212111021), we get a palindrome (332323323233).

The spelling of 120111212212 in words is "one hundred twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred twelve".