1213212330993 has 32 divisors (see below), whose sum is σ = 1779269184000. Its totient is φ = 730643256576.

The previous prime is 1213212330973. The next prime is 1213212331003. The reversal of 1213212330993 is 3990332123121.

It is not a de Polignac number, because 1213212330993 - 2⁶ = 1213212330929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1213212330973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28626783 + ... + 28669131.

It is an arithmetic number, because the mean of its divisors is an integer number (55602162000).

Almost surely, 2^{1213212330993} is an apocalyptic number.

1213212330993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1213212330993 is a deficient number, since it is larger than the sum of its proper divisors (566056853007).

1213212330993 is a wasteful number, since it uses less digits than its factorization.

1213212330993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58041.

The product of its (nonzero) digits is 52488, while the sum is 39.

The spelling of 1213212330993 in words is "one trillion, two hundred thirteen billion, two hundred twelve million, three hundred thirty thousand, nine hundred ninety-three".