1212131230044 has 96 divisors (see below), whose sum is σ = 3397507255296. Its totient is φ = 328847608320.

The previous prime is 1212131230033. The next prime is 1212131230069. The reversal of 1212131230044 is 4400321312121.

It is a junction number, because it is equal to n+sod(n) for n = 1212131229996 and 1212131230023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2025087 + ... + 2554454.

It is an arithmetic number, because the mean of its divisors is an integer number (35390700576).

Almost surely, 2^{1212131230044} is an apocalyptic number.

1212131230044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1212131230044 is an abundant number, since it is smaller than the sum of its proper divisors (2185376025252).

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

1212131230044 is a wasteful number, since it uses less digits than its factorization.

1212131230044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579715 (or 4579713 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1212131230044 its reverse (4400321312121), we get a palindrome (5612452542165).

The spelling of 1212131230044 in words is "one trillion, two hundred twelve billion, one hundred thirty-one million, two hundred thirty thousand, forty-four".