1200501442461 has 16 divisors (see below), whose sum is σ = 1609902734400. Its totient is φ = 795729822720.

The previous prime is 1200501442423. The next prime is 1200501442541. The reversal of 1200501442461 is 1642441050021.

It is not a de Polignac number, because 1200501442461 - 2⁶ = 1200501442397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200501442421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193430 + ... + 1955831.

It is an arithmetic number, because the mean of its divisors is an integer number (100618920900).

Almost surely, 2^{1200501442461} is an apocalyptic number.

It is an amenable number.

1200501442461 is a deficient number, since it is larger than the sum of its proper divisors (409401291939).

1200501442461 is a wasteful number, since it uses less digits than its factorization.

1200501442461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149996.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1200501442461 its reverse (1642441050021), we get a palindrome (2842942492482).

The spelling of 1200501442461 in words is "one trillion, two hundred billion, five hundred one million, four hundred forty-two thousand, four hundred sixty-one".