1212131104024 has 16 divisors (see below), whose sum is σ = 2392364021400. Its totient is φ = 574167364992.

The previous prime is 1212131104007. The next prime is 1212131104057. The reversal of 1212131104024 is 4204011312121.

It is a super-2 number, since 2×1212131104024² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212131103986 and 1212131104004.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3987273217 + ... + 3987273520.

Almost surely, 2^{1212131104024} is an apocalyptic number.

It is an amenable number.

1212131104024 is a deficient number, since it is larger than the sum of its proper divisors (1180232917376).

1212131104024 is a wasteful number, since it uses less digits than its factorization.

1212131104024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974546762 (or 7974546758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1212131104024 its reverse (4204011312121), we get a palindrome (5416142416145).

The spelling of 1212131104024 in words is "one trillion, two hundred twelve billion, one hundred thirty-one million, one hundred four thousand, twenty-four".