12121304314012 has 96 divisors (see below), whose sum is σ = 24442450099200. Its totient is φ = 5227965388800.

The previous prime is 12121304314003. The next prime is 12121304314013. The reversal of 12121304314012 is 21041340312121.

It is a super-2 number, since 2×12121304314012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121304314013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915212 + ... + 5283052.

It is an arithmetic number, because the mean of its divisors is an integer number (254608855200).

Almost surely, 2^{12121304314012} is an apocalyptic number.

It is an amenable number.

12121304314012 is an abundant number, since it is smaller than the sum of its proper divisors (12321145785188).

12121304314012 is a wasteful number, since it uses less digits than its factorization.

12121304314012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367987 (or 3367985 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 12121304314012 its reverse (21041340312121), we get a palindrome (33162644626133).

The spelling of 12121304314012 in words is "twelve trillion, one hundred twenty-one billion, three hundred four million, three hundred fourteen thousand, twelve".