1213002020004 has 12 divisors (see below), whose sum is σ = 2830338046704. Its totient is φ = 404334006664.

The previous prime is 1213002019981. The next prime is 1213002020047. The reversal of 1213002020004 is 4000202003121.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50541750822 + ... + 50541750845.

It is an arithmetic number, because the mean of its divisors is an integer number (235861503892).

Almost surely, 2^{1213002020004} is an apocalyptic number.

It is an amenable number.

1213002020004 is an abundant number, since it is smaller than the sum of its proper divisors (1617336026700).

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

1213002020004 is a wasteful number, since it uses less digits than its factorization.

1213002020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101083501674 (or 101083501672 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1213002020004 its reverse (4000202003121), we get a palindrome (5213204023125).

The spelling of 1213002020004 in words is "one trillion, two hundred thirteen billion, two million, twenty thousand, four".