1201132120099 has 2 divisors, whose sum is σ = 1201132120100. Its totient is φ = 1201132120098.

The previous prime is 1201132120091. The next prime is 1201132120121. The reversal of 1201132120099 is 9900212311021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201132120099 - 2³ = 1201132120091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201132120099.

It is not a weakly prime, because it can be changed into another prime (1201132120091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600566060049 + 600566060050.

It is an arithmetic number, because the mean of its divisors is an integer number (600566060050).

Almost surely, 2^{1201132120099} is an apocalyptic number.

1201132120099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201132120099 is an equidigital number, since it uses as much as digits as its factorization.

1201132120099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

It can be divided in two parts, 1201132 and 120099, that added together give a palindrome (1321231).

The spelling of 1201132120099 in words is "one trillion, two hundred one billion, one hundred thirty-two million, one hundred twenty thousand, ninety-nine".