13311212020002 has 24 divisors (see below), whose sum is σ = 31059494713884. Its totient is φ = 4095757544544.

The previous prime is 13311212019997. The next prime is 13311212020079. The reversal of 13311212020002 is 20002021211331.

13311212020002 is a `hidden beast` number, since 1 + 331 + 12 + 120 + 200 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11586610095921 + 1724601924081 = 3403911^2 + 1313241^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28442760493 + ... + 28442760960.

Almost surely, 2^{13311212020002} is an apocalyptic number.

13311212020002 is an abundant number, since it is smaller than the sum of its proper divisors (17748282693882).

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

13311212020002 is a wasteful number, since it uses less digits than its factorization.

13311212020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56885521474 (or 56885521471 counting only the distinct ones).

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

Adding to 13311212020002 its reverse (20002021211331), we get a palindrome (33313233231333).

The spelling of 13311212020002 in words is "thirteen trillion, three hundred eleven billion, two hundred twelve million, twenty thousand, two".