99212841 has 24 divisors (see below), whose sum is σ = 176379840. Its totient is φ = 52331616.

The previous prime is 99212837. The next prime is 99212879. The reversal of 99212841 is 14821299.

It is not a de Polignac number, because 99212841 - 2² = 99212837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99212796 and 99212805.

It is not an unprimeable number, because it can be changed into a prime (99212801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59751 + ... + 61388.

It is an arithmetic number, because the mean of its divisors is an integer number (7349160).

Almost surely, 2^99212841 is an apocalyptic number.

99212841 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

99212841 is a deficient number, since it is larger than the sum of its proper divisors (77166999).

99212841 is a wasteful number, since it uses less digits than its factorization.

99212841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121165 (or 121162 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 99212841 is about 9960.5642912437. The cubic root of 99212841 is about 462.9377842625.

It can be divided in two parts, 9921284 and 1, that added together give a triangular number (9921285 = T₄₄₅₄).

The spelling of 99212841 in words is "ninety-nine million, two hundred twelve thousand, eight hundred forty-one".