1212023497 has 2 divisors, whose sum is σ = 1212023498. Its totient is φ = 1212023496.

The previous prime is 1212023473. The next prime is 1212023521. The reversal of 1212023497 is 7943202121.

It is a balanced prime because it is at equal distance from previous prime (1212023473) and next prime (1212023521).

It can be written as a sum of positive squares in only one way, i.e., 809459401 + 402564096 = 28451^2 + 20064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212023497 - 2⁷ = 1212023369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212020497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606011748 + 606011749.

It is an arithmetic number, because the mean of its divisors is an integer number (606011749).

Almost surely, 2^1212023497 is an apocalyptic number.

It is an amenable number.

1212023497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212023497 is an equidigital number, since it uses as much as digits as its factorization.

1212023497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1212023497 is about 34814.1278362679. The cubic root of 1212023497 is about 1066.1959122693.

The spelling of 1212023497 in words is "one billion, two hundred twelve million, twenty-three thousand, four hundred ninety-seven".