1213100232302 has 24 divisors (see below), whose sum is σ = 2117081300400. Its totient is φ = 519815318400.

The previous prime is 1213100232299. The next prime is 1213100232307. The reversal of 1213100232302 is 2032320013121.

It is a super-2 number, since 2×1213100232302² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213100232307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403427 + ... + 1609022.

It is an arithmetic number, because the mean of its divisors is an integer number (88211720850).

Almost surely, 2^{1213100232302} is an apocalyptic number.

1213100232302 is a deficient number, since it is larger than the sum of its proper divisors (903981068098).

1213100232302 is a wasteful number, since it uses less digits than its factorization.

1213100232302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018616 (or 2018609 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1213100232302 its reverse (2032320013121), we get a palindrome (3245420245423).

The spelling of 1213100232302 in words is "one trillion, two hundred thirteen billion, one hundred million, two hundred thirty-two thousand, three hundred two".