12122477061 has 12 divisors (see below), whose sum is σ = 16263395232. Its totient is φ = 8031625144.

The previous prime is 12122477047. The next prime is 12122477117. The reversal of 12122477061 is 16077422121.

It is not a de Polignac number, because 12122477061 - 2⁶ = 12122476997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122477161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2461960 + ... + 2466878.

It is an arithmetic number, because the mean of its divisors is an integer number (1355282936).

Almost surely, 2^12122477061 is an apocalyptic number.

It is an amenable number.

12122477061 is a deficient number, since it is larger than the sum of its proper divisors (4140918171).

12122477061 is an frugal number, since it uses more digits than its factorization.

12122477061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10008 (or 5089 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 12122477061 its reverse (16077422121), we get a palindrome (28199899182).

The spelling of 12122477061 in words is "twelve billion, one hundred twenty-two million, four hundred seventy-seven thousand, sixty-one".