1012211233 has 4 divisors (see below), whose sum is σ = 1104230448. Its totient is φ = 920192020.

The previous prime is 1012211231. The next prime is 1012211237. The reversal of 1012211233 is 3321122101.

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 not a de Polignac number, because 1012211233 - 2¹ = 1012211231 is a prime.

It is a super-2 number, since 2×1012211233² = 2049143160422760578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012211231) 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, 46009591 + ... + 46009612.

It is an arithmetic number, because the mean of its divisors is an integer number (276057612).

Almost surely, 2^1012211233 is an apocalyptic number.

It is an amenable number.

1012211233 is a deficient number, since it is larger than the sum of its proper divisors (92019215).

1012211233 is an equidigital number, since it uses as much as digits as its factorization.

1012211233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92019214.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1012211233 is about 31815.2672941781. The cubic root of 1012211233 is about 1004.0539542467.

Adding to 1012211233 its reverse (3321122101), we get a palindrome (4333333334).

The spelling of 1012211233 in words is "one billion, twelve million, two hundred eleven thousand, two hundred thirty-three".