1012222031 has 4 divisors (see below), whose sum is σ = 1012298592. Its totient is φ = 1012145472.

The previous prime is 1012222027. The next prime is 1012222067. The reversal of 1012222031 is 1302222101.

It is a happy number.

1012222031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1302222101 = 89 ⋅14631709.

It is a cyclic number.

It is not a de Polignac number, because 1012222031 - 2² = 1012222027 is a prime.

It is a super-2 number, since 2×1012222031² = 2049186880083529922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012221997 and 1012222015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222531) 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, 12791 + ... + 46776.

It is an arithmetic number, because the mean of its divisors is an integer number (253074648).

Almost surely, 2^1012222031 is an apocalyptic number.

1012222031 is a deficient number, since it is larger than the sum of its proper divisors (76561).

1012222031 is an equidigital number, since it uses as much as digits as its factorization.

1012222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76560.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1012222031 is about 31815.4369921270. The cubic root of 1012222031 is about 1004.0575245607.

Adding to 1012222031 its reverse (1302222101), we get a palindrome (2314444132).

The spelling of 1012222031 in words is "one billion, twelve million, two hundred twenty-two thousand, thirty-one".