1201012010011 has 24 divisors (see below), whose sum is σ = 1336778956800. Its totient is φ = 1078066395120.

The previous prime is 1201012009943. The next prime is 1201012010053. The reversal of 1201012010011 is 1100102101021.

It is not a de Polignac number, because 1201012010011 - 2⁹ = 1201012009499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201012010011.

It is not an unprimeable number, because it can be changed into a prime (1201012010311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18275590 + ... + 18341188.

It is an arithmetic number, because the mean of its divisors is an integer number (55699123200).

Almost surely, 2^{1201012010011} is an apocalyptic number.

1201012010011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201012010011 is a deficient number, since it is larger than the sum of its proper divisors (135766946789).

1201012010011 is a wasteful number, since it uses less digits than its factorization.

1201012010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67527 (or 67516 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1201012010011 its reverse (1100102101021), we get a palindrome (2301114111032).

It can be divided in two parts, 12010 and 12010011, that added together give a palindrome (12022021).

The spelling of 1201012010011 in words is "one trillion, two hundred one billion, twelve million, ten thousand, eleven".