1200102012611 has 2 divisors, whose sum is σ = 1200102012612. Its totient is φ = 1200102012610.

The previous prime is 1200102012553. The next prime is 1200102012691. The reversal of 1200102012611 is 1162102010021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200102012611 - 2³⁰ = 1199028270787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200102012611.

It is not a weakly prime, because it can be changed into another prime (1200102012691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600051006305 + 600051006306.

It is an arithmetic number, because the mean of its divisors is an integer number (600051006306).

Almost surely, 2^{1200102012611} is an apocalyptic number.

1200102012611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200102012611 is an equidigital number, since it uses as much as digits as its factorization.

1200102012611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1200102012611 its reverse (1162102010021), we get a palindrome (2362204022632).

The spelling of 1200102012611 in words is "one trillion, two hundred billion, one hundred two million, twelve thousand, six hundred eleven".