1213231010002 has 12 divisors (see below), whose sum is σ = 2000327161518. Its totient is φ = 551468640800.

The previous prime is 1213231009999. The next prime is 1213231010009. The reversal of 1213231010002 is 2000101323121.

It can be written as a sum of positive squares in only one way, i.e., 795862036321 + 417368973681 = 892111^2 + 646041^2 .

It is a super-3 number, since 3×1213231010002³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1213231010009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2506675399 + ... + 2506675882.

Almost surely, 2^{1213231010002} is an apocalyptic number.

1213231010002 is a deficient number, since it is larger than the sum of its proper divisors (787096151516).

1213231010002 is a wasteful number, since it uses less digits than its factorization.

1213231010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013351305 (or 5013351294 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1213231010002 its reverse (2000101323121), we get a palindrome (3213332333123).

The spelling of 1213231010002 in words is "one trillion, two hundred thirteen billion, two hundred thirty-one million, ten thousand, two".