12213809126998 has 4 divisors (see below), whose sum is σ = 18320713690500. Its totient is φ = 6106904563498.

The previous prime is 12213809126993. The next prime is 12213809126999. The reversal of 12213809126998 is 89962190831221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213809126993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053452281748 + ... + 3053452281751.

It is an arithmetic number, because the mean of its divisors is an integer number (4580178422625).

Almost surely, 2^{12213809126998} is an apocalyptic number.

12213809126998 is a deficient number, since it is larger than the sum of its proper divisors (6106904563502).

12213809126998 is an equidigital number, since it uses as much as digits as its factorization.

12213809126998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106904563501.

The product of its (nonzero) digits is 6718464, while the sum is 61.

The spelling of 12213809126998 in words is "twelve trillion, two hundred thirteen billion, eight hundred nine million, one hundred twenty-six thousand, nine hundred ninety-eight".