12231022001 has 4 divisors (see below), whose sum is σ = 13342933104. Its totient is φ = 11119110900.

The previous prime is 12231021931. The next prime is 12231022009. The reversal of 12231022001 is 10022013221.

It is a happy number.

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 12231022001 - 2¹⁴ = 12231005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231022009) 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, 555955535 + ... + 555955556.

It is an arithmetic number, because the mean of its divisors is an integer number (3335733276).

Almost surely, 2^12231022001 is an apocalyptic number.

12231022001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12231022001 is a deficient number, since it is larger than the sum of its proper divisors (1111911103).

12231022001 is a wasteful number, since it uses less digits than its factorization.

12231022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111911102.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12231022001 its reverse (10022013221), we get a palindrome (22253035222).

The spelling of 12231022001 in words is "twelve billion, two hundred thirty-one million, twenty-two thousand, one".