201134212002 has 144 divisors (see below), whose sum is σ = 471784423968. Its totient is φ = 61887006720.

The previous prime is 201134211991. The next prime is 201134212033. The reversal of 201134212002 is 200212431102.

It is a happy number.

201134212002 is a `hidden beast` number, since 201 + 1 + 342 + 120 + 0 + 2 = 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, 179103813 + ... + 179104935.

It is an arithmetic number, because the mean of its divisors is an integer number (3276280722).

Almost surely, 2^201134212002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201134212002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235892211984).

201134212002 is an abundant number, since it is smaller than the sum of its proper divisors (270650211966).

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

201134212002 is a wasteful number, since it uses less digits than its factorization.

201134212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201134212002 its reverse (200212431102), we get a palindrome (401346643104).

The spelling of 201134212002 in words is "two hundred one billion, one hundred thirty-four million, two hundred twelve thousand, two".