12148031951 has 4 divisors (see below), whose sum is σ = 13252398504. Its totient is φ = 11043665400.

The previous prime is 12148031941. The next prime is 12148031977. The reversal of 12148031951 is 15913084121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12148031951 - 2¹⁸ = 12147769807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148031941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552183260 + ... + 552183281.

It is an arithmetic number, because the mean of its divisors is an integer number (3313099626).

Almost surely, 2^12148031951 is an apocalyptic number.

12148031951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12148031951 is a deficient number, since it is larger than the sum of its proper divisors (1104366553).

12148031951 is a wasteful number, since it uses less digits than its factorization.

12148031951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104366552.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 12148031951 in words is "twelve billion, one hundred forty-eight million, thirty-one thousand, nine hundred fifty-one".