1213023402204 has 12 divisors (see below), whose sum is σ = 2830387938504. Its totient is φ = 404341134064.

The previous prime is 1213023402193. The next prime is 1213023402251. The reversal of 1213023402204 is 4022043203121.

It is a happy number.

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

It is a congruent number.

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, 50542641747 + ... + 50542641770.

It is an arithmetic number, because the mean of its divisors is an integer number (235865661542).

Almost surely, 2^{1213023402204} is an apocalyptic number.

It is an amenable number.

1213023402204 is an abundant number, since it is smaller than the sum of its proper divisors (1617364536300).

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

1213023402204 is a wasteful number, since it uses less digits than its factorization.

1213023402204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101085283524 (or 101085283522 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1213023402204 its reverse (4022043203121), we get a palindrome (5235066605325).

The spelling of 1213023402204 in words is "one trillion, two hundred thirteen billion, twenty-three million, four hundred two thousand, two hundred four".