1201012021201 has 16 divisors (see below), whose sum is σ = 1278251694720. Its totient is φ = 1124515552000.

The previous prime is 1201012021151. The next prime is 1201012021219. The reversal of 1201012021201 is 1021202101021.

It is a cyclic number.

It is not a de Polignac number, because 1201012021201 - 2¹³ = 1201012013009 is a prime.

It is a super-2 number, since 2×1201012021201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201012021291) 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, 3412275 + ... + 3747751.

It is an arithmetic number, because the mean of its divisors is an integer number (79890730920).

Almost surely, 2^{1201012021201} is an apocalyptic number.

It is an amenable number.

1201012021201 is a deficient number, since it is larger than the sum of its proper divisors (77239673519).

1201012021201 is a wasteful number, since it uses less digits than its factorization.

1201012021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336584.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201012021201 its reverse (1021202101021), we get a palindrome (2222214122222).

The spelling of 1201012021201 in words is "one trillion, two hundred one billion, twelve million, twenty-one thousand, two hundred one".