12122112001012 has 48 divisors (see below), whose sum is σ = 23563665517392. Its totient is φ = 5420246215680.

The previous prime is 12122112001003. The next prime is 12122112001037. The reversal of 12122112001012 is 21010021122121.

It can be written as a sum of positive squares in 8 ways, for example, as 1102638436 + 12121009362576 = 33206^2 + 3481524^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13072039 + ... + 13968622.

It is an arithmetic number, because the mean of its divisors is an integer number (490909698279).

Almost surely, 2^{12122112001012} is an apocalyptic number.

It is an amenable number.

12122112001012 is a deficient number, since it is larger than the sum of its proper divisors (11441553516380).

12122112001012 is a wasteful number, since it uses less digits than its factorization.

12122112001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27040948 (or 27040946 counting only the distinct ones).

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

Adding to 12122112001012 its reverse (21010021122121), we get a palindrome (33132133123133).

The spelling of 12122112001012 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, one thousand, twelve".