10202542212 has 12 divisors (see below), whose sum is σ = 23805931856. Its totient is φ = 3400847400.

The previous prime is 10202542211. The next prime is 10202542223. The reversal of 10202542212 is 21224520201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (10202542211) 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, 425105914 + ... + 425105937.

Almost surely, 2^10202542212 is an apocalyptic number.

10202542212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202542212 is an abundant number, since it is smaller than the sum of its proper divisors (13603389644).

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

10202542212 is a wasteful number, since it uses less digits than its factorization.

10202542212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850211858 (or 850211856 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The spelling of 10202542212 in words is "ten billion, two hundred two million, five hundred forty-two thousand, two hundred twelve".