201212011131030 has 24 divisors (see below), whose sum is σ = 523151228940912. Its totient is φ = 53656536301584.

The previous prime is 201212011131029. The next prime is 201212011131113. The reversal of 201212011131030 is 30131110212102.

201212011131030 is a `hidden beast` number, since 2 + 0 + 1 + 212 + 0 + 111 + 310 + 30 = 666.

It is a super-3 number, since 3×201212011131030³ (a number of 44 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 201212011130994 and 201212011131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117844506194 + ... + 1117844506373.

It is an arithmetic number, because the mean of its divisors is an integer number (21797967872538).

Almost surely, 2^{201212011131030} is an apocalyptic number.

201212011131030 is an abundant number, since it is smaller than the sum of its proper divisors (321939217809882).

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

201212011131030 is a wasteful number, since it uses less digits than its factorization.

201212011131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235689012580 (or 2235689012577 counting only the distinct ones).

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

Adding to 201212011131030 its reverse (30131110212102), we get a palindrome (231343121343132).

The spelling of 201212011131030 in words is "two hundred one trillion, two hundred twelve billion, eleven million, one hundred thirty-one thousand, thirty".