1012212331 has 8 divisors (see below), whose sum is σ = 1095784704. Its totient is φ = 929455680.

The previous prime is 1012212323. The next prime is 1012212353. The reversal of 1012212331 is 1332122101.

1012212331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012212331 - 2³ = 1012212323 is a prime.

It is a super-2 number, since 2×1012212331² = 2049147606056907122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012212361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201346 + ... + 206311.

It is an arithmetic number, because the mean of its divisors is an integer number (136973088).

Almost surely, 2^1012212331 is an apocalyptic number.

1012212331 is a deficient number, since it is larger than the sum of its proper divisors (83572373).

1012212331 is a wasteful number, since it uses less digits than its factorization.

1012212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407861.

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

The square root of 1012212331 is about 31815.2845500398. The cubic root of 1012212331 is about 1004.0543172970.

Adding to 1012212331 its reverse (1332122101), we get a palindrome (2344334432).

The spelling of 1012212331 in words is "one billion, twelve million, two hundred twelve thousand, three hundred thirty-one".