1242656336701 has 32 divisors (see below), whose sum is σ = 1362015478656. Its totient is φ = 1126794240000.

The previous prime is 1242656336687. The next prime is 1242656336771. The reversal of 1242656336701 is 1076336562421.

It is a happy number.

It is not a de Polignac number, because 1242656336701 - 2⁷ = 1242656336573 is a prime.

It is a super-2 number, since 2×1242656336701² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242656336771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776174301 + ... + 776175901.

It is an arithmetic number, because the mean of its divisors is an integer number (42562983708).

Almost surely, 2^{1242656336701} is an apocalyptic number.

It is an amenable number.

1242656336701 is a deficient number, since it is larger than the sum of its proper divisors (119359141955).

1242656336701 is a wasteful number, since it uses less digits than its factorization.

1242656336701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 1242656336701 in words is "one trillion, two hundred forty-two billion, six hundred fifty-six million, three hundred thirty-six thousand, seven hundred one".