2012551543042 has 4 divisors (see below), whose sum is σ = 3018827314566. Its totient is φ = 1006275771520.

The previous prime is 2012551543003. The next prime is 2012551543081. The reversal of 2012551543042 is 2403451552102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2012551543003) and next prime (2012551543081).

It can be written as a sum of positive squares in only one way, i.e., 1661363745721 + 351187797321 = 1288939^2 + 592611^2 .

It is a super-2 number, since 2×2012551543042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012551542989 and 2012551543007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503137885759 + ... + 503137885762.

Almost surely, 2^{2012551543042} is an apocalyptic number.

2012551543042 is a deficient number, since it is larger than the sum of its proper divisors (1006275771524).

2012551543042 is a wasteful number, since it uses less digits than its factorization.

2012551543042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006275771523.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 2012551543042 in words is "two trillion, twelve billion, five hundred fifty-one million, five hundred forty-three thousand, forty-two".