213112144333401 has 16 divisors (see below), whose sum is σ = 290089999339200. Its totient is φ = 139123265773568.

The previous prime is 213112144333381. The next prime is 213112144333471. The reversal of 213112144333401 is 104333441211312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213112144333401 - 2⁵ = 213112144333369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213112144333471) 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, 2342412516 + ... + 2342503493.

It is an arithmetic number, because the mean of its divisors is an integer number (18130624958700).

Almost surely, 2^{213112144333401} is an apocalyptic number.

It is an amenable number.

213112144333401 is a deficient number, since it is larger than the sum of its proper divisors (76977855005799).

213112144333401 is a wasteful number, since it uses less digits than its factorization.

213112144333401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684916328.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 213112144333401 its reverse (104333441211312), we get a palindrome (317445585544713).

The spelling of 213112144333401 in words is "two hundred thirteen trillion, one hundred twelve billion, one hundred forty-four million, three hundred thirty-three thousand, four hundred one".