1242001113042 has 64 divisors (see below), whose sum is σ = 2518090243200. Its totient is φ = 408349900800.

The previous prime is 1242001113007. The next prime is 1242001113043. The reversal of 1242001113042 is 2403111002421.

It is not an unprimeable number, because it can be changed into a prime (1242001113043) 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, 381097209 + ... + 381100467.

It is an arithmetic number, because the mean of its divisors is an integer number (39345160050).

Almost surely, 2^{1242001113042} is an apocalyptic number.

1242001113042 is an abundant number, since it is smaller than the sum of its proper divisors (1276089130158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242001113042 is a wasteful number, since it uses less digits than its factorization.

1242001113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1242001113042 its reverse (2403111002421), we get a palindrome (3645112115463).

The spelling of 1242001113042 in words is "one trillion, two hundred forty-two billion, one million, one hundred thirteen thousand, forty-two".