2012402154522 has 8 divisors (see below), whose sum is σ = 4024804309056. Its totient is φ = 670800718172.

The previous prime is 2012402154509. The next prime is 2012402154563. The reversal of 2012402154522 is 2254512042102.

It is a sphenic number, since it is the product of 3 distinct primes.

2012402154522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012402154522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167700179538 + ... + 167700179549.

It is an arithmetic number, because the mean of its divisors is an integer number (503100538632).

Almost surely, 2^{2012402154522} is an apocalyptic number.

2012402154522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2012402154522 is a wasteful number, since it uses less digits than its factorization.

2012402154522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335400359092.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 2012402154522 its reverse (2254512042102), we get a palindrome (4266914196624).

The spelling of 2012402154522 in words is "two trillion, twelve billion, four hundred two million, one hundred fifty-four thousand, five hundred twenty-two".