2012121302140 has 96 divisors (see below), whose sum is σ = 4313476823040. Its totient is φ = 788299029504.

The previous prime is 2012121302131. The next prime is 2012121302197. The reversal of 2012121302140 is 412031212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76677102 + ... + 76703338.

It is an arithmetic number, because the mean of its divisors is an integer number (44932050240).

Almost surely, 2^{2012121302140} is an apocalyptic number.

2012121302140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012121302140 is an abundant number, since it is smaller than the sum of its proper divisors (2301355520900).

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

2012121302140 is a wasteful number, since it uses less digits than its factorization.

2012121302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26759 (or 26757 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2012121302140 its reverse (412031212102), we get a palindrome (2424152514242).

The spelling of 2012121302140 in words is "two trillion, twelve billion, one hundred twenty-one million, three hundred two thousand, one hundred forty".