1242505554201 has 12 divisors (see below), whose sum is σ = 1794842018112. Its totient is φ = 828285448536.

The previous prime is 1242505554133. The next prime is 1242505554233. The reversal of 1242505554201 is 1024555052421.

1242505554201 is a `hidden beast` number, since 12 + 4 + 2 + 50 + 55 + 542 + 0 + 1 = 666.

It is not a de Polignac number, because 1242505554201 - 2¹⁸ = 1242505292057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1242505554281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4146141 + ... + 4435706.

It is an arithmetic number, because the mean of its divisors is an integer number (149570168176).

Almost surely, 2^{1242505554201} is an apocalyptic number.

It is an amenable number.

1242505554201 is a deficient number, since it is larger than the sum of its proper divisors (552336463911).

1242505554201 is a wasteful number, since it uses less digits than its factorization.

1242505554201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8597940 (or 8597937 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 1242505554201 in words is "one trillion, two hundred forty-two billion, five hundred five million, five hundred fifty-four thousand, two hundred one".