1213444132002 has 24 divisors (see below), whose sum is σ = 2629215963036. Its totient is φ = 404467991136.

The previous prime is 1213444131997. The next prime is 1213444132003. The reversal of 1213444132002 is 2002314443121.

1213444132002 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 44 + 413 + 200 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 895561288281 + 317882843721 = 946341^2 + 563811^2 .

It is a super-2 number, since 2×1213444132002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1213444132003) 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, 548733 + ... + 1651664.

Almost surely, 2^{1213444132002} is an apocalyptic number.

1213444132002 is an abundant number, since it is smaller than the sum of its proper divisors (1415771831034).

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

1213444132002 is a wasteful number, since it uses less digits than its factorization.

1213444132002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231042 (or 2231039 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1213444132002 its reverse (2002314443121), we get a palindrome (3215758575123).

The spelling of 1213444132002 in words is "one trillion, two hundred thirteen billion, four hundred forty-four million, one hundred thirty-two thousand, two".