12351890929 has 8 divisors (see below), whose sum is σ = 14286525120. Its totient is φ = 10459776336.

The previous prime is 12351890879. The next prime is 12351890933. The reversal of 12351890929 is 92909815321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12351890929 - 2⁹ = 12351890417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12351890939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10629274 + ... + 10630435.

It is an arithmetic number, because the mean of its divisors is an integer number (1785815640).

Almost surely, 2^12351890929 is an apocalyptic number.

It is an amenable number.

12351890929 is a deficient number, since it is larger than the sum of its proper divisors (1934634191).

12351890929 is an equidigital number, since it uses as much as digits as its factorization.

12351890929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21259799.

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 12351890929 in words is "twelve billion, three hundred fifty-one million, eight hundred ninety thousand, nine hundred twenty-nine".