2120012311230 has 64 divisors (see below), whose sum is σ = 6167308550400. Its totient is φ = 513942377760.

The previous prime is 2120012311189. The next prime is 2120012311247. The reversal of 2120012311230 is 321132100212.

2120012311230 is a `hidden beast` number, since 2 + 1 + 200 + 1 + 231 + 1 + 230 = 666.

It is a super-2 number, since 2×2120012311230² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 356901460 + ... + 356907399.

It is an arithmetic number, because the mean of its divisors is an integer number (96364196100).

Almost surely, 2^{2120012311230} is an apocalyptic number.

2120012311230 is an abundant number, since it is smaller than the sum of its proper divisors (4047296239170).

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

2120012311230 is a wasteful number, since it uses less digits than its factorization.

2120012311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713808886 (or 713808880 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2120012311230 its reverse (321132100212), we get a palindrome (2441144411442).

The spelling of 2120012311230 in words is "two trillion, one hundred twenty billion, twelve million, three hundred eleven thousand, two hundred thirty".