201212011131042 has 16 divisors (see below), whose sum is σ = 402433171493472. Its totient is φ = 67069145505120.

The previous prime is 201212011131029. The next prime is 201212011131113. The reversal of 201212011131042 is 240131110212102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380932059 + ... + 381459902.

It is an arithmetic number, because the mean of its divisors is an integer number (25152073218342).

Almost surely, 2^{201212011131042} is an apocalyptic number.

201212011131042 is an abundant number, since it is smaller than the sum of its proper divisors (201221160362430).

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

201212011131042 is a wasteful number, since it uses less digits than its factorization.

201212011131042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762435953.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 201212011131042 its reverse (240131110212102), we get a palindrome (441343121343144).

The spelling of 201212011131042 in words is "two hundred one trillion, two hundred twelve billion, eleven million, one hundred thirty-one thousand, forty-two".