12021031322331 has 16 divisors (see below), whose sum is σ = 16144126078080. Its totient is φ = 7955984257920.

The previous prime is 12021031322327. The next prime is 12021031322389. The reversal of 12021031322331 is 13322313012021.

It is not a de Polignac number, because 12021031322331 - 2² = 12021031322327 is a prime.

It is a super-2 number, since 2×12021031322331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12021031321331) 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, 8143891 + ... + 9506051.

It is an arithmetic number, because the mean of its divisors is an integer number (1009007879880).

Almost surely, 2^{12021031322331} is an apocalyptic number.

12021031322331 is a deficient number, since it is larger than the sum of its proper divisors (4123094755749).

12021031322331 is a wasteful number, since it uses less digits than its factorization.

12021031322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383466.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12021031322331 its reverse (13322313012021), we get a palindrome (25343344334352).

The spelling of 12021031322331 in words is "twelve trillion, twenty-one billion, thirty-one million, three hundred twenty-two thousand, three hundred thirty-one".