1201140218879 has 2 divisors, whose sum is σ = 1201140218880. Its totient is φ = 1201140218878.

The previous prime is 1201140218791. The next prime is 1201140218911. The reversal of 1201140218879 is 9788120411021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201140218879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201140718879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600570109439 + 600570109440.

It is an arithmetic number, because the mean of its divisors is an integer number (600570109440).

Almost surely, 2^{1201140218879} is an apocalyptic number.

1201140218879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201140218879 is an equidigital number, since it uses as much as digits as its factorization.

1201140218879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 1201140218879 in words is "one trillion, two hundred one billion, one hundred forty million, two hundred eighteen thousand, eight hundred seventy-nine".