12011001021002 has 32 divisors (see below), whose sum is σ = 18350563930704. Its totient is φ = 5894567078400.

The previous prime is 12011001020999. The next prime is 12011001021049. The reversal of 12011001021002 is 20012010011021.

It can be written as a sum of positive squares in 8 ways, for example, as 33040696441 + 11977960324561 = 181771^2 + 3460919^2 .

It is a super-2 number, since 2×12011001021002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393878468 + ... + 393908960.

Almost surely, 2^{12011001021002} is an apocalyptic number.

12011001021002 is a deficient number, since it is larger than the sum of its proper divisors (6339562909702).

12011001021002 is a wasteful number, since it uses less digits than its factorization.

12011001021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37274.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12011001021002 its reverse (20012010011021), we get a palindrome (32023011032023).

The spelling of 12011001021002 in words is "twelve trillion, eleven billion, one million, twenty-one thousand, two".