9001211202 has 48 divisors (see below), whose sum is σ = 20555458560. Its totient is φ = 2838835296.

The previous prime is 9001211201. The next prime is 9001211213. The reversal of 9001211202 is 2021121009.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (9001211201) 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, 256063 + ... + 289085.

It is an arithmetic number, because the mean of its divisors is an integer number (428238720).

Almost surely, 2^9001211202 is an apocalyptic number.

9001211202 is an abundant number, since it is smaller than the sum of its proper divisors (11554247358).

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

9001211202 is a wasteful number, since it uses less digits than its factorization.

9001211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33847 (or 33844 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 9001211202 is about 94874.7131853372. The cubic root of 9001211202 is about 2080.1771300399.

The spelling of 9001211202 in words is "nine billion, one million, two hundred eleven thousand, two hundred two".