1213442530152 has 64 divisors (see below), whose sum is σ = 3107946542400. Its totient is φ = 394571036160.

The previous prime is 1213442530123. The next prime is 1213442530231. The reversal of 1213442530152 is 2510352443121.

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, 9321738 + ... + 9451014.

It is an arithmetic number, because the mean of its divisors is an integer number (48561664725).

Almost surely, 2^{1213442530152} is an apocalyptic number.

1213442530152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213442530152 is an abundant number, since it is smaller than the sum of its proper divisors (1894504012248).

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

1213442530152 is a wasteful number, since it uses less digits than its factorization.

1213442530152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138866 (or 138862 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1213442530152 its reverse (2510352443121), we get a palindrome (3723794973273).

The spelling of 1213442530152 in words is "one trillion, two hundred thirteen billion, four hundred forty-two million, five hundred thirty thousand, one hundred fifty-two".