30123001131862 has 64 divisors (see below), whose sum is σ = 47292464355840. Its totient is φ = 14375494538496.

The previous prime is 30123001131851. The next prime is 30123001131863. The reversal of 30123001131862 is 26813110032103.

It is a happy number.

It is a super-2 number, since 2×30123001131862² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123001131863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4596822778 + ... + 4596829330.

It is an arithmetic number, because the mean of its divisors is an integer number (738944755560).

Almost surely, 2^{30123001131862} is an apocalyptic number.

30123001131862 is a deficient number, since it is larger than the sum of its proper divisors (17169463223978).

30123001131862 is a wasteful number, since it uses less digits than its factorization.

30123001131862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8725.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 30123001131862 its reverse (26813110032103), we get a palindrome (56936111163965).

The spelling of 30123001131862 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, eight hundred sixty-two".