2012342155544 has 24 divisors (see below), whose sum is σ = 4389164651340. Its totient is φ = 862432352208.

The previous prime is 2012342155501. The next prime is 2012342155553. The reversal of 2012342155544 is 4455512432102.

It is a junction number, because it is equal to n+sod(n) for n = 2012342155498 and 2012342155507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2566762562 + ... + 2566763345.

Almost surely, 2^{2012342155544} is an apocalyptic number.

It is an amenable number.

2012342155544 is an abundant number, since it is smaller than the sum of its proper divisors (2376822495796).

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

2012342155544 is a wasteful number, since it uses less digits than its factorization.

2012342155544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133525927 (or 5133525916 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 2012342155544 its reverse (4455512432102), we get a palindrome (6467854587646).

The spelling of 2012342155544 in words is "two trillion, twelve billion, three hundred forty-two million, one hundred fifty-five thousand, five hundred forty-four".