312203021021029 has 2 divisors, whose sum is σ = 312203021021030. Its totient is φ = 312203021021028.

The previous prime is 312203021020999. The next prime is 312203021021033. The reversal of 312203021021029 is 920120120302213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199177418198529 + 113025602822500 = 14113023^2 + 10631350^2 .

It is a cyclic number.

It is not a de Polignac number, because 312203021021029 - 2⁵ = 312203021020997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312203021020988 and 312203021021006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312203021031029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101510510514 + 156101510510515.

It is an arithmetic number, because the mean of its divisors is an integer number (156101510510515).

Almost surely, 2^{312203021021029} is an apocalyptic number.

It is an amenable number.

312203021021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

312203021021029 is an equidigital number, since it uses as much as digits as its factorization.

312203021021029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 312203021021029 in words is "three hundred twelve trillion, two hundred three billion, twenty-one million, twenty-one thousand, twenty-nine".