212011331202 has 144 divisors (see below), whose sum is σ = 524278722240. Its totient is φ = 64164402720.

The previous prime is 212011331197. The next prime is 212011331263. The reversal of 212011331202 is 202133110212.

212011331202 is a `hidden beast` number, since 2 + 120 + 11 + 331 + 202 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 59568699 + ... + 59572257.

It is an arithmetic number, because the mean of its divisors is an integer number (3640824460).

Almost surely, 2^212011331202 is an apocalyptic number.

212011331202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 212011331202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262139361120).

212011331202 is an abundant number, since it is smaller than the sum of its proper divisors (312267391038).

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

212011331202 is a wasteful number, since it uses less digits than its factorization.

212011331202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212011331202 its reverse (202133110212), we get a palindrome (414144441414).

The spelling of 212011331202 in words is "two hundred twelve billion, eleven million, three hundred thirty-one thousand, two hundred two".