1012212429 has 4 divisors (see below), whose sum is σ = 1349616576. Its totient is φ = 674808284.

The previous prime is 1012212427. The next prime is 1012212431. The reversal of 1012212429 is 9242122101.

1012212429 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 Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1012212427) and next prime (1012212431).

It is a cyclic number.

It is not a de Polignac number, because 1012212429 - 2¹ = 1012212427 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012212399 and 1012212408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012212427) 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, 168702069 + ... + 168702074.

It is an arithmetic number, because the mean of its divisors is an integer number (337404144).

Almost surely, 2^1012212429 is an apocalyptic number.

It is an amenable number.

1012212429 is a deficient number, since it is larger than the sum of its proper divisors (337404147).

1012212429 is an equidigital number, since it uses as much as digits as its factorization.

1012212429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337404146.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1012212429 is about 31815.2860901800. The cubic root of 1012212429 is about 1004.0543497004.

The spelling of 1012212429 in words is "one billion, twelve million, two hundred twelve thousand, four hundred twenty-nine".