1213130121302 has 32 divisors (see below), whose sum is σ = 1987071156864. Its totient is φ = 550881662400.

The previous prime is 1213130121299. The next prime is 1213130121311. The reversal of 1213130121302 is 2031210313121.

It is a happy number.

It is a super-3 number, since 3×1213130121302³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111464753 + ... + 111475635.

It is an arithmetic number, because the mean of its divisors is an integer number (62095973652).

Almost surely, 2^{1213130121302} is an apocalyptic number.

1213130121302 is a deficient number, since it is larger than the sum of its proper divisors (773941035562).

1213130121302 is a wasteful number, since it uses less digits than its factorization.

1213130121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213130121302 its reverse (2031210313121), we get a palindrome (3244340434423).

The spelling of 1213130121302 in words is "one trillion, two hundred thirteen billion, one hundred thirty million, one hundred twenty-one thousand, three hundred two".