1257002212 has 6 divisors (see below), whose sum is σ = 2199753878. Its totient is φ = 628501104.

The previous prime is 1257002191. The next prime is 1257002237. The reversal of 1257002212 is 2122007521.

It can be written as a sum of positive squares in only one way, i.e., 1249905316 + 7096896 = 35354^2 + 2664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157125273 + ... + 157125280.

Almost surely, 2^1257002212 is an apocalyptic number.

It is an amenable number.

1257002212 is a deficient number, since it is larger than the sum of its proper divisors (942751666).

1257002212 is a wasteful number, since it uses less digits than its factorization.

1257002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314250557 (or 314250555 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1257002212 is about 35454.2269976374. The cubic root of 1257002212 is about 1079.2250419098.

Adding to 1257002212 its reverse (2122007521), we get a palindrome (3379009733).

The spelling of 1257002212 in words is "one billion, two hundred fifty-seven million, two thousand, two hundred twelve".