12206215701 has 20 divisors (see below), whose sum is σ = 18490801824. Its totient is φ = 8022861000.

The previous prime is 12206215687. The next prime is 12206215711. The reversal of 12206215701 is 10751260221.

12206215701 is a `hidden beast` number, since 12 + 20 + 62 + 1 + 570 + 1 = 666.

It is not a de Polignac number, because 12206215701 - 2⁵ = 12206215669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206215711) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1055475 + ... + 1066976.

Almost surely, 2^12206215701 is an apocalyptic number.

It is an amenable number.

12206215701 is a deficient number, since it is larger than the sum of its proper divisors (6284586123).

12206215701 is an equidigital number, since it uses as much as digits as its factorization.

12206215701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122534 (or 2122525 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 12206215701 its reverse (10751260221), we get a palindrome (22957475922).

The spelling of 12206215701 in words is "twelve billion, two hundred six million, two hundred fifteen thousand, seven hundred one".