99351012120254 has 4 divisors (see below), whose sum is σ = 149026518180384. Its totient is φ = 49675506060126.

The previous prime is 99351012120253. The next prime is 99351012120293. The reversal of 99351012120254 is 45202121015399.

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 (99351012120253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24837753030062 + ... + 24837753030065.

It is an arithmetic number, because the mean of its divisors is an integer number (37256629545096).

Almost surely, 2^{99351012120254} is an apocalyptic number.

99351012120254 is a deficient number, since it is larger than the sum of its proper divisors (49675506060130).

99351012120254 is a wasteful number, since it uses less digits than its factorization.

99351012120254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49675506060129.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 99351012120254 in words is "ninety-nine trillion, three hundred fifty-one billion, twelve million, one hundred twenty thousand, two hundred fifty-four".