1233211401 has 24 divisors (see below), whose sum is σ = 1865747520. Its totient is φ = 783436896.

The previous prime is 1233211363. The next prime is 1233211417. The reversal of 1233211401 is 1041123321.

It is not a de Polignac number, because 1233211401 - 2²¹ = 1231114249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1233211201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44610 + ... + 66756.

It is an arithmetic number, because the mean of its divisors is an integer number (77739480).

Almost surely, 2^1233211401 is an apocalyptic number.

It is an amenable number.

1233211401 is a deficient number, since it is larger than the sum of its proper divisors (632536119).

1233211401 is a wasteful number, since it uses less digits than its factorization.

1233211401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445 (or 22442 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1233211401 is about 35117.1098041966. The cubic root of 1233211401 is about 1072.3729329304.

Adding to 1233211401 its reverse (1041123321), we get a palindrome (2274334722).

The spelling of 1233211401 in words is "one billion, two hundred thirty-three million, two hundred eleven thousand, four hundred one".