1245212330 has 16 divisors (see below), whose sum is σ = 2241889920. Its totient is φ = 497972112.

The previous prime is 1245212327. The next prime is 1245212333. The reversal of 1245212330 is 332125421.

It is an interprime number because it is at equal distance from previous prime (1245212327) and next prime (1245212333).

It is a junction number, because it is equal to n+sod(n) for n = 1245212296 and 1245212305.

It is not an unprimeable number, because it can be changed into a prime (1245212333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43427 + ... + 66153.

It is an arithmetic number, because the mean of its divisors is an integer number (140118120).

Almost surely, 2^1245212330 is an apocalyptic number.

1245212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245212330 is a deficient number, since it is larger than the sum of its proper divisors (996677590).

1245212330 is a wasteful number, since it uses less digits than its factorization.

1245212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28213.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1245212330 is about 35287.5662238132. The cubic root of 1245212330 is about 1075.8402891019.

Adding to 1245212330 its reverse (332125421), we get a palindrome (1577337751).

The spelling of 1245212330 in words is "one billion, two hundred forty-five million, two hundred twelve thousand, three hundred thirty".