12011121001002 has 64 divisors (see below), whose sum is σ = 24126644924928. Its totient is φ = 3986352000000.

The previous prime is 12011121000961. The next prime is 12011121001049. The reversal of 12011121001002 is 20010012111021.

It is a super-2 number, since 2×12011121001002² (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 31 ways as a sum of consecutive naturals, for example, 5108940127 + ... + 5108942477.

It is an arithmetic number, because the mean of its divisors is an integer number (376978826952).

Almost surely, 2^{12011121001002} is an apocalyptic number.

12011121001002 is an abundant number, since it is smaller than the sum of its proper divisors (12115523923926).

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

12011121001002 is a wasteful number, since it uses less digits than its factorization.

12011121001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12011121001002 its reverse (20010012111021), we get a palindrome (32021133112023).

The spelling of 12011121001002 in words is "twelve trillion, eleven billion, one hundred twenty-one million, one thousand, two".