12033021031 has 16 divisors (see below), whose sum is σ = 12467185920. Its totient is φ = 11608444800.

The previous prime is 12033021001. The next prime is 12033021053. The reversal of 12033021031 is 13012033021.

It is a cyclic number.

It is not a de Polignac number, because 12033021031 - 2¹³ = 12033012839 is a prime.

It is a super-2 number, since 2×12033021031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12033020996 and 12033021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033021001) 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, 731311 + ... + 747583.

It is an arithmetic number, because the mean of its divisors is an integer number (779199120).

Almost surely, 2^12033021031 is an apocalyptic number.

12033021031 is a deficient number, since it is larger than the sum of its proper divisors (434164889).

12033021031 is a wasteful number, since it uses less digits than its factorization.

12033021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16566.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12033021031 its reverse (13012033021), we get a palindrome (25045054052).

The spelling of 12033021031 in words is "twelve billion, thirty-three million, twenty-one thousand, thirty-one".