1212853497 has 16 divisors (see below), whose sum is σ = 1651388160. Its totient is φ = 791592912.

The previous prime is 1212853493. The next prime is 1212853507. The reversal of 1212853497 is 7943582121.

It is not a de Polignac number, because 1212853497 - 2² = 1212853493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212853493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14254 + ... + 51272.

It is an arithmetic number, because the mean of its divisors is an integer number (103211760).

Almost surely, 2^1212853497 is an apocalyptic number.

It is an amenable number.

1212853497 is a deficient number, since it is larger than the sum of its proper divisors (438534663).

1212853497 is a wasteful number, since it uses less digits than its factorization.

1212853497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37252.

The product of its digits is 120960, while the sum is 42.

The square root of 1212853497 is about 34826.0462441547. The cubic root of 1212853497 is about 1066.4392355717.

The spelling of 1212853497 in words is "one billion, two hundred twelve million, eight hundred fifty-three thousand, four hundred ninety-seven".