12031221103002 has 12 divisors (see below), whose sum is σ = 26067645723210. Its totient is φ = 4010407034328.

The previous prime is 12031221102931. The next prime is 12031221103037. The reversal of 12031221103002 is 20030112213021.

12031221103002 is a `hidden beast` number, since 1 + 20 + 312 + 21 + 10 + 300 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12017183829561 + 14037273441 = 3466581^2 + 118479^2 .

It is a super-2 number, since 2×12031221103002² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 668401172389 = 12031221103002 / (1 + 2 + 0 + 3 + 1 + 2 + 2 + 1 + 1 + 0 + 3 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334200586177 + ... + 334200586212.

Almost surely, 2^{12031221103002} is an apocalyptic number.

12031221103002 is an abundant number, since it is smaller than the sum of its proper divisors (14036424620208).

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

12031221103002 is a wasteful number, since it uses less digits than its factorization.

12031221103002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668401172397 (or 668401172394 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12031221103002 its reverse (20030112213021), we get a palindrome (32061333316023).

The spelling of 12031221103002 in words is "twelve trillion, thirty-one billion, two hundred twenty-one million, one hundred three thousand, two".