12212621201 has 8 divisors (see below), whose sum is σ = 13782268800. Its totient is φ = 10719541840.

The previous prime is 12212621149. The next prime is 12212621227. The reversal of 12212621201 is 10212621221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12212621201 - 2⁶ = 12212621137 is a prime.

It is a super-2 number, since 2×12212621201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212621231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19141721 + ... + 19142358.

It is an arithmetic number, because the mean of its divisors is an integer number (1722783600).

Almost surely, 2^12212621201 is an apocalyptic number.

12212621201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212621201 is a deficient number, since it is larger than the sum of its proper divisors (1569647599).

12212621201 is a wasteful number, since it uses less digits than its factorization.

12212621201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38284119.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12212621201 its sum of digits (20), we get a palindrome (12212621221).

The spelling of 12212621201 in words is "twelve billion, two hundred twelve million, six hundred twenty-one thousand, two hundred one".