1236201563201 has 8 divisors (see below), whose sum is σ = 1348591677408. Its totient is φ = 1123812808000.

The previous prime is 1236201563189. The next prime is 1236201563203. The reversal of 1236201563201 is 1023651026321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1236201563201 - 2¹⁴ = 1236201546817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1236201563203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2932706 + ... + 3327636.

It is an arithmetic number, because the mean of its divisors is an integer number (168573959676).

Almost surely, 2^{1236201563201} is an apocalyptic number.

1236201563201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1236201563201 is a deficient number, since it is larger than the sum of its proper divisors (112390114207).

1236201563201 is a wasteful number, since it uses less digits than its factorization.

1236201563201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679503.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 1236201563201 its reverse (1023651026321), we get a palindrome (2259852589522).

The spelling of 1236201563201 in words is "one trillion, two hundred thirty-six billion, two hundred one million, five hundred sixty-three thousand, two hundred one".