201233102130 has 144 divisors (see below), whose sum is σ = 561116372544. Its totient is φ = 49941048960.

The previous prime is 201233102129. The next prime is 201233102137. The reversal of 201233102130 is 31201332102.

201233102130 is a `hidden beast` number, since 20 + 123 + 310 + 213 + 0 = 666.

It is a super-2 number, since 2×201233102130² (a number of 23 digits) contains 22 as substring.

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 (201233102137) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2798325 + ... + 2869335.

It is an arithmetic number, because the mean of its divisors is an integer number (3896641476).

Almost surely, 2^201233102130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201233102130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280558186272).

201233102130 is an abundant number, since it is smaller than the sum of its proper divisors (359883270414).

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

201233102130 is a wasteful number, since it uses less digits than its factorization.

201233102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71121 (or 71081 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201233102130 its reverse (31201332102), we get a palindrome (232434434232).

The spelling of 201233102130 in words is "two hundred one billion, two hundred thirty-three million, one hundred two thousand, one hundred thirty".