1200774650899 has 2 divisors, whose sum is σ = 1200774650900. Its totient is φ = 1200774650898.

The previous prime is 1200774650861. The next prime is 1200774650947. The reversal of 1200774650899 is 9980564770021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200774650899 - 2²⁷ = 1200640433171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200774650839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600387325449 + 600387325450.

It is an arithmetic number, because the mean of its divisors is an integer number (600387325450).

Almost surely, 2^{1200774650899} is an apocalyptic number.

1200774650899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200774650899 is an equidigital number, since it uses as much as digits as its factorization.

1200774650899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 1200774650899 in words is "one trillion, two hundred billion, seven hundred seventy-four million, six hundred fifty thousand, eight hundred ninety-nine".