12030212031 has 16 divisors (see below), whose sum is σ = 16761361920. Its totient is φ = 7660588320.

The previous prime is 12030212023. The next prime is 12030212081. The reversal of 12030212031 is 13021203021.

It is not a de Polignac number, because 12030212031 - 2³ = 12030212023 is a prime.

It is a super-2 number, since 2×12030212031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12030212031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030212011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74035 + ... + 171876.

It is an arithmetic number, because the mean of its divisors is an integer number (1047585120).

Almost surely, 2^12030212031 is an apocalyptic number.

12030212031 is a deficient number, since it is larger than the sum of its proper divisors (4731149889).

12030212031 is a wasteful number, since it uses less digits than its factorization.

12030212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246646.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12030212031 its reverse (13021203021), we get a palindrome (25051415052).

The spelling of 12030212031 in words is "twelve billion, thirty million, two hundred twelve thousand, thirty-one".