1245354212 has 24 divisors (see below), whose sum is σ = 2209145400. Its totient is φ = 614221056.

The previous prime is 1245354203. The next prime is 1245354239. The reversal of 1245354212 is 2124535421.

It can be written as a sum of positive squares in 4 ways, for example, as 710542336 + 534811876 = 26656^2 + 23126^2 .

It is a super-2 number, since 2×1245354212² = 3101814226692281888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93608 + ... + 106080.

It is an arithmetic number, because the mean of its divisors is an integer number (92047725).

Almost surely, 2^1245354212 is an apocalyptic number.

It is an amenable number.

1245354212 is a deficient number, since it is larger than the sum of its proper divisors (963791188).

1245354212 is a wasteful number, since it uses less digits than its factorization.

1245354212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815 (or 12813 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1245354212 is about 35289.5765347220. The cubic root of 1245354212 is about 1075.8811486863.

Adding to 1245354212 its reverse (2124535421), we get a palindrome (3369889633).

The spelling of 1245354212 in words is "one billion, two hundred forty-five million, three hundred fifty-four thousand, two hundred twelve".