131202211242012 has 192 divisors, whose sum is σ = 332381103796224. Its totient is φ = 40172080227840.

The previous prime is 131202211241963. The next prime is 131202211242013. The reversal of 131202211242012 is 210242112202131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131202211242013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 990864603 + ... + 990997005.

It is an arithmetic number, because the mean of its divisors is an integer number (1731151582272).

Almost surely, 2^{131202211242012} is an apocalyptic number.

131202211242012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131202211242012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166190551898112).

131202211242012 is an abundant number, since it is smaller than the sum of its proper divisors (201178892554212).

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

131202211242012 is a wasteful number, since it uses less digits than its factorization.

131202211242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133848 (or 133846 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131202211242012 its reverse (210242112202131), we get a palindrome (341444323444143).

The spelling of 131202211242012 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred eleven million, two hundred forty-two thousand, twelve".