10212099894 has 16 divisors (see below), whose sum is σ = 22693555440. Its totient is φ = 3404033280.

The previous prime is 10212099893. The next prime is 10212099913. The reversal of 10212099894 is 49899021201.

It is a super-2 number, since 2×10212099894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212099893) 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, 94556427 + ... + 94556534.

It is an arithmetic number, because the mean of its divisors is an integer number (1418347215).

Almost surely, 2^10212099894 is an apocalyptic number.

10212099894 is an abundant number, since it is smaller than the sum of its proper divisors (12481455546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212099894 is a wasteful number, since it uses less digits than its factorization.

10212099894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189112972 (or 189112966 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 10212099894 in words is "ten billion, two hundred twelve million, ninety-nine thousand, eight hundred ninety-four".