1012320233211 has 16 divisors (see below), whose sum is σ = 1584274651904. Its totient is φ = 562834414944.

The previous prime is 1012320233189. The next prime is 1012320233219. The reversal of 1012320233211 is 1123320232101.

It is not a de Polignac number, because 1012320233211 - 2¹¹ = 1012320231163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1012320233219) 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, 651427945 + ... + 651429498.

It is an arithmetic number, because the mean of its divisors is an integer number (99017165744).

Almost surely, 2^{1012320233211} is an apocalyptic number.

1012320233211 is a deficient number, since it is larger than the sum of its proper divisors (571954418693).

1012320233211 is a wasteful number, since it uses less digits than its factorization.

1012320233211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302857490.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1012320233211 its reverse (1123320232101), we get a palindrome (2135640465312).

The spelling of 1012320233211 in words is "one trillion, twelve billion, three hundred twenty million, two hundred thirty-three thousand, two hundred eleven".