1234206720001 has 4 divisors (see below), whose sum is σ = 1245741362352. Its totient is φ = 1222672077652.

The previous prime is 1234206719971. The next prime is 1234206720013. The reversal of 1234206720001 is 1000276024321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1234206720001 - 2²⁹ = 1233669849089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234206720101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5767321015 + ... + 5767321228.

It is an arithmetic number, because the mean of its divisors is an integer number (311435340588).

Almost surely, 2^{1234206720001} is an apocalyptic number.

It is an amenable number.

1234206720001 is a deficient number, since it is larger than the sum of its proper divisors (11534642351).

1234206720001 is a wasteful number, since it uses less digits than its factorization.

1234206720001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11534642350.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 1234206720001 in words is "one trillion, two hundred thirty-four billion, two hundred six million, seven hundred twenty thousand, one".