2012521401342 has 24 divisors (see below), whose sum is σ = 4589961091560. Its totient is φ = 635533074000.

The previous prime is 2012521401337. The next prime is 2012521401347. The reversal of 2012521401342 is 2431041252102.

2012521401342 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 521 + 4 + 0 + 134 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2012521401337) and next prime (2012521401347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012521401347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2942282409 + ... + 2942283092.

It is an arithmetic number, because the mean of its divisors is an integer number (191248378815).

Almost surely, 2^{2012521401342} is an apocalyptic number.

2012521401342 is an abundant number, since it is smaller than the sum of its proper divisors (2577439690218).

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

2012521401342 is a wasteful number, since it uses less digits than its factorization.

2012521401342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884565528 (or 5884565525 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2012521401342 its reverse (2431041252102), we get a palindrome (4443562653444).

The spelling of 2012521401342 in words is "two trillion, twelve billion, five hundred twenty-one million, four hundred one thousand, three hundred forty-two".