1242055720610 has 32 divisors (see below), whose sum is σ = 2296843687872. Its totient is φ = 483243278400.

The previous prime is 1242055720601. The next prime is 1242055720613. The reversal of 1242055720610 is 160275502421.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1242055720613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661085 + ... + 1709135.

It is an arithmetic number, because the mean of its divisors is an integer number (71776365246).

Almost surely, 2^{1242055720610} is an apocalyptic number.

1242055720610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242055720610 is a deficient number, since it is larger than the sum of its proper divisors (1054787967262).

1242055720610 is a wasteful number, since it uses less digits than its factorization.

1242055720610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051298.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 1242055720610 in words is "one trillion, two hundred forty-two billion, fifty-five million, seven hundred twenty thousand, six hundred ten".