2012451622 has 4 divisors (see below), whose sum is σ = 3018677436. Its totient is φ = 1006225810.

The previous prime is 2012451611. The next prime is 2012451641. The reversal of 2012451622 is 2261542102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2261542102 = 2 ⋅1130771051.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503112904 + ... + 503112907.

It is an arithmetic number, because the mean of its divisors is an integer number (754669359).

Almost surely, 2^2012451622 is an apocalyptic number.

2012451622 is a deficient number, since it is larger than the sum of its proper divisors (1006225814).

2012451622 is a wasteful number, since it uses less digits than its factorization.

2012451622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006225813.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2012451622 is about 44860.3569089681. The cubic root of 2012451622 is about 1262.5303192013.

Adding to 2012451622 its reverse (2261542102), we get a palindrome (4273993724).

The spelling of 2012451622 in words is "two billion, twelve million, four hundred fifty-one thousand, six hundred twenty-two".