12031030101210 has 128 divisors (see below), whose sum is σ = 31943842560000. Its totient is φ = 2886353471232.

The previous prime is 12031030101157. The next prime is 12031030101263. The reversal of 12031030101210 is 1210103013021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12031030101157) and next prime (12031030101263).

It is a super-2 number, since 2×12031030101210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12031030101210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1478785 + ... + 5123364.

It is an arithmetic number, because the mean of its divisors is an integer number (249561270000).

Almost surely, 2^{12031030101210} is an apocalyptic number.

12031030101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031030101210 is an abundant number, since it is smaller than the sum of its proper divisors (19912812458790).

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

12031030101210 is a wasteful number, since it uses less digits than its factorization.

12031030101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602340.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12031030101210 its reverse (1210103013021), we get a palindrome (13241133114231).

The spelling of 12031030101210 in words is "twelve trillion, thirty-one billion, thirty million, one hundred one thousand, two hundred ten".