11212312002 has 16 divisors (see below), whose sum is σ = 22427805312. Its totient is φ = 3736907120.

The previous prime is 11212311997. The next prime is 11212312103. The reversal of 11212312002 is 20021321211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85449 + ... + 172412.

It is an arithmetic number, because the mean of its divisors is an integer number (1401737832).

Almost surely, 2^11212312002 is an apocalyptic number.

11212312002 is an abundant number, since it is smaller than the sum of its proper divisors (11215493310).

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

11212312002 is a wasteful number, since it uses less digits than its factorization.

11212312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265113.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11212312002 its reverse (20021321211), we get a palindrome (31233633213).

The spelling of 11212312002 in words is "eleven billion, two hundred twelve million, three hundred twelve thousand, two".