131211212001212 has 24 divisors (see below), whose sum is σ = 262847744011104. Its totient is φ = 56142236570112.

The previous prime is 131211212001187. The next prime is 131211212001239. The reversal of 131211212001212 is 212100212112131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3797482493 + ... + 3797517044.

It is an arithmetic number, because the mean of its divisors is an integer number (10951989333796).

Almost surely, 2^{131211212001212} is an apocalyptic number.

It is an amenable number.

131211212001212 is an abundant number, since it is smaller than the sum of its proper divisors (131636532009892).

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

131211212001212 is a wasteful number, since it uses less digits than its factorization.

131211212001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7595000165 (or 7595000163 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 131211212001212 its reverse (212100212112131), we get a palindrome (343311424113343).

The spelling of 131211212001212 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twelve million, one thousand, two hundred twelve".