1452221012 has 24 divisors (see below), whose sum is σ = 2892964032. Its totient is φ = 631400000.

The previous prime is 1452221003. The next prime is 1452221021. The reversal of 1452221012 is 2101222541.

It is an interprime number because it is at equal distance from previous prime (1452221003) and next prime (1452221021).

It is a congruent number.

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, 716489 + ... + 718512.

It is an arithmetic number, because the mean of its divisors is an integer number (120540168).

Almost surely, 2^1452221012 is an apocalyptic number.

It is an amenable number.

1452221012 is a deficient number, since it is larger than the sum of its proper divisors (1440743020).

1452221012 is a wasteful number, since it uses less digits than its factorization.

1452221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435039 (or 1435037 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1452221012 is about 38108.0176865709. The cubic root of 1452221012 is about 1132.4287988737.

Adding to 1452221012 its reverse (2101222541), we get a palindrome (3553443553).

The spelling of 1452221012 in words is "one billion, four hundred fifty-two million, two hundred twenty-one thousand, twelve".