2012404244451 has 8 divisors (see below), whose sum is σ = 2683212337680. Its totient is φ = 1341599490432.

The previous prime is 2012404244443. The next prime is 2012404244483. The reversal of 2012404244451 is 1544424042102.

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

It is not a de Polignac number, because 2012404244451 - 2³ = 2012404244443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012404244441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521655 + ... + 2517983.

It is an arithmetic number, because the mean of its divisors is an integer number (335401542210).

Almost surely, 2^{2012404244451} is an apocalyptic number.

2012404244451 is a deficient number, since it is larger than the sum of its proper divisors (670808093229).

2012404244451 is an equidigital number, since it uses as much as digits as its factorization.

2012404244451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669605.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 2012404244451 its reverse (1544424042102), we get a palindrome (3556828286553).

The spelling of 2012404244451 in words is "two trillion, twelve billion, four hundred four million, two hundred forty-four thousand, four hundred fifty-one".