1212131002130 has 32 divisors (see below), whose sum is σ = 2203302791808. Its totient is φ = 480102480000.

The previous prime is 1212131002129. The next prime is 1212131002133. The reversal of 1212131002130 is 312001312121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212131002099 and 1212131002108.

It is not an unprimeable number, because it can be changed into a prime (1212131002133) 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 15 ways as a sum of consecutive naturals, for example, 809696 + ... + 1754955.

It is an arithmetic number, because the mean of its divisors is an integer number (68853212244).

Almost surely, 2^{1212131002130} is an apocalyptic number.

1212131002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212131002130 is a deficient number, since it is larger than the sum of its proper divisors (991171789678).

1212131002130 is a wasteful number, since it uses less digits than its factorization.

1212131002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565122.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1212131002130 its reverse (312001312121), we get a palindrome (1524132314251).

The spelling of 1212131002130 in words is "one trillion, two hundred twelve billion, one hundred thirty-one million, two thousand, one hundred thirty".