1231214213201 has 16 divisors (see below), whose sum is σ = 1421856046464. Its totient is φ = 1044264697344.

The previous prime is 1231214213153. The next prime is 1231214213219. The reversal of 1231214213201 is 1023124121321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231214213201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231214213261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3812231 + ... + 4122563.

It is an arithmetic number, because the mean of its divisors is an integer number (88866002904).

Almost surely, 2^{1231214213201} is an apocalyptic number.

It is an amenable number.

1231214213201 is a deficient number, since it is larger than the sum of its proper divisors (190641833263).

1231214213201 is an equidigital number, since it uses as much as digits as its factorization.

1231214213201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316280.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1231214213201 its reverse (1023124121321), we get a palindrome (2254338334522).

The spelling of 1231214213201 in words is "one trillion, two hundred thirty-one billion, two hundred fourteen million, two hundred thirteen thousand, two hundred one".