1242015031010 has 16 divisors (see below), whose sum is σ = 2407598368056. Its totient is φ = 458590165248.

The previous prime is 1242015031009. The next prime is 1242015031043. The reversal of 1242015031010 is 101305102421.

It can be written as a sum of positive squares in 4 ways, for example, as 685959963529 + 556055067481 = 828227^2 + 745691^2 .

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, 4776980759 + ... + 4776981018.

Almost surely, 2^{1242015031010} is an apocalyptic number.

1242015031010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242015031010 is a deficient number, since it is larger than the sum of its proper divisors (1165583337046).

1242015031010 is a wasteful number, since it uses less digits than its factorization.

1242015031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9553961797.

The product of its (nonzero) digits is 240, while the sum is 20.

The spelling of 1242015031010 in words is "one trillion, two hundred forty-two billion, fifteen million, thirty-one thousand, ten".