1201299999999 has 32 divisors (see below), whose sum is σ = 1809424189440. Its totient is φ = 702245174400.

The previous prime is 1201299999961. The next prime is 1201300000037. The reversal of 1201299999999 is 9999999921021.

It is an interprime number because it is at equal distance from previous prime (1201299999961) and next prime (1201300000037).

It is not a de Polignac number, because 1201299999999 - 2¹³ = 1201299991807 is a prime.

1201299999999 is a modest number, since divided by 9999999 gives 120129 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201299999919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315049 + ... + 1581725.

It is an arithmetic number, because the mean of its divisors is an integer number (56544505920).

Almost surely, 2^{1201299999999} is an apocalyptic number.

1201299999999 is a deficient number, since it is larger than the sum of its proper divisors (608124189441).

1201299999999 is a wasteful number, since it uses less digits than its factorization.

1201299999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267711.

The product of its (nonzero) digits is 172186884, while the sum is 78.

The spelling of 1201299999999 in words is "one trillion, two hundred one billion, two hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".