1201012120011 has 8 divisors (see below), whose sum is σ = 1746926720064. Its totient is φ = 727886133320.

The previous prime is 1201012119997. The next prime is 1201012120031. The reversal of 1201012120011 is 1100212101021.

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 1201012120011 - 2¹⁸ = 1201011857867 is a prime.

It is a super-2 number, since 2×1201012120011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201012120031) 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, 18197153301 + ... + 18197153366.

It is an arithmetic number, because the mean of its divisors is an integer number (218365840008).

Almost surely, 2^{1201012120011} is an apocalyptic number.

1201012120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201012120011 is a deficient number, since it is larger than the sum of its proper divisors (545914600053).

1201012120011 is a wasteful number, since it uses less digits than its factorization.

1201012120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36394306681.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201012120011 its reverse (1100212101021), we get a palindrome (2301224221032).

The spelling of 1201012120011 in words is "one trillion, two hundred one billion, twelve million, one hundred twenty thousand, eleven".