1206511399102 has 4 divisors (see below), whose sum is σ = 1809767098656. Its totient is φ = 603255699550.

The previous prime is 1206511399091. The next prime is 1206511399123. The reversal of 1206511399102 is 2019931156021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301627849774 + ... + 301627849777.

It is an arithmetic number, because the mean of its divisors is an integer number (452441774664).

Almost surely, 2^{1206511399102} is an apocalyptic number.

1206511399102 is a deficient number, since it is larger than the sum of its proper divisors (603255699554).

1206511399102 is an equidigital number, since it uses as much as digits as its factorization.

1206511399102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603255699553.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 1206511399102 in words is "one trillion, two hundred six billion, five hundred eleven million, three hundred ninety-nine thousand, one hundred two".