12420101013144 has 64 divisors (see below), whose sum is σ = 33876206864640. Its totient is φ = 3763310962560.

The previous prime is 12420101013137. The next prime is 12420101013163. The reversal of 12420101013144 is 44131010102421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 577837 + ... + 5017379.

It is an arithmetic number, because the mean of its divisors is an integer number (529315732260).

Almost surely, 2^{12420101013144} is an apocalyptic number.

It is an amenable number.

12420101013144 is an abundant number, since it is smaller than the sum of its proper divisors (21456105851496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12420101013144 is a wasteful number, since it uses less digits than its factorization.

12420101013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450160 (or 4450156 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12420101013144 its reverse (44131010102421), we get a palindrome (56551111115565).

The spelling of 12420101013144 in words is "twelve trillion, four hundred twenty billion, one hundred one million, thirteen thousand, one hundred forty-four".