1212201012011 has 8 divisors (see below), whose sum is σ = 1400189404464. Its totient is φ = 1037177336320.

The previous prime is 1212201011933. The next prime is 1212201012019. The reversal of 1212201012011 is 1102101022121.

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 1212201012011 - 2²⁶ = 1212133903147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212201012019) 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, 3241178990 + ... + 3241179363.

It is an arithmetic number, because the mean of its divisors is an integer number (175023675558).

Almost surely, 2^{1212201012011} is an apocalyptic number.

1212201012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1212201012011 is a deficient number, since it is larger than the sum of its proper divisors (187988392453).

1212201012011 is a wasteful number, since it uses less digits than its factorization.

1212201012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482358381.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212201012011 its reverse (1102101022121), we get a palindrome (2314302034132).

The spelling of 1212201012011 in words is "one trillion, two hundred twelve billion, two hundred one million, twelve thousand, eleven".