1206373601901 has 64 divisors (see below), whose sum is σ = 1858505306112. Its totient is φ = 689474460672.

The previous prime is 1206373601893. The next prime is 1206373601921. The reversal of 1206373601901 is 1091063736021.

It is not a de Polignac number, because 1206373601901 - 2³ = 1206373601893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1206373601901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206373601921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19294576 + ... + 19356998.

It is an arithmetic number, because the mean of its divisors is an integer number (29039145408).

Almost surely, 2^{1206373601901} is an apocalyptic number.

It is an amenable number.

1206373601901 is a deficient number, since it is larger than the sum of its proper divisors (652131704211).

1206373601901 is a wasteful number, since it uses less digits than its factorization.

1206373601901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62842.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 1206373601901 in words is "one trillion, two hundred six billion, three hundred seventy-three million, six hundred one thousand, nine hundred one".