99154012 has 12 divisors (see below), whose sum is σ = 181064016. Its totient is φ = 47421440.

The previous prime is 99154009. The next prime is 99154019. The reversal of 99154012 is 21045199.

It is a super-2 number, since 2×99154012² = 19663036191392288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99154019) 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, 538789 + ... + 538972.

It is an arithmetic number, because the mean of its divisors is an integer number (15088668).

Almost surely, 2^99154012 is an apocalyptic number.

99154012 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99154012 is a deficient number, since it is larger than the sum of its proper divisors (81910004).

99154012 is a wasteful number, since it uses less digits than its factorization.

99154012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077788 (or 1077786 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 99154012 is about 9957.6107576065. The cubic root of 99154012 is about 462.8462653579.

The spelling of 99154012 in words is "ninety-nine million, one hundred fifty-four thousand, twelve".