11212312112002 has 16 divisors (see below), whose sum is σ = 17822766943800. Its totient is φ = 5280819832960.

The previous prime is 11212312111999. The next prime is 11212312112021. The reversal of 11212312112002 is 20021121321211.

It can be written as a sum of positive squares in 4 ways, for example, as 10099626796081 + 1112685315921 = 3177991^2 + 1054839^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357506477 + ... + 2357511232.

Almost surely, 2^{11212312112002} is an apocalyptic number.

11212312112002 is a deficient number, since it is larger than the sum of its proper divisors (6610454831798).

11212312112002 is a wasteful number, since it uses less digits than its factorization.

11212312112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715017781.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11212312112002 its reverse (20021121321211), we get a palindrome (31233433433213).

The spelling of 11212312112002 in words is "eleven trillion, two hundred twelve billion, three hundred twelve million, one hundred twelve thousand, two".