1012112121199 has 2 divisors, whose sum is σ = 1012112121200. Its totient is φ = 1012112121198.

The previous prime is 1012112121169. The next prime is 1012112121203. The reversal of 1012112121199 is 9911212112101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012112121199 - 2¹³ = 1012112113007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012112121199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012112121149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506056060599 + 506056060600.

It is an arithmetic number, because the mean of its divisors is an integer number (506056060600).

Almost surely, 2^{1012112121199} is an apocalyptic number.

1012112121199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012112121199 is an equidigital number, since it uses as much as digits as its factorization.

1012112121199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 31.

It can be divided in two parts, 1012112 and 121199, that added together give a palindrome (1133311).

The spelling of 1012112121199 in words is "one trillion, twelve billion, one hundred twelve million, one hundred twenty-one thousand, one hundred ninety-nine".