7212440553043 has 4 divisors (see below), whose sum is σ = 7868116966968. Its totient is φ = 6556764139120.

The previous prime is 7212440553001. The next prime is 7212440553077. The reversal of 7212440553043 is 3403550442127.

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

It is a cyclic number.

It is not a de Polignac number, because 7212440553043 - 2³³ = 7203850618451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7212440552987 and 7212440553005.

It is not an unprimeable number, because it can be changed into a prime (7212440553443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327838206946 + ... + 327838206967.

It is an arithmetic number, because the mean of its divisors is an integer number (1967029241742).

Almost surely, 2^{7212440553043} is an apocalyptic number.

7212440553043 is a deficient number, since it is larger than the sum of its proper divisors (655676413925).

7212440553043 is a wasteful number, since it uses less digits than its factorization.

7212440553043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655676413924.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 7212440553043 in words is "seven trillion, two hundred twelve billion, four hundred forty million, five hundred fifty-three thousand, forty-three".