1212012302011 has 24 divisors (see below), whose sum is σ = 1411634059056. Its totient is φ = 1037584820160.

The previous prime is 1212012302009. The next prime is 1212012302047. The reversal of 1212012302011 is 1102032102121.

It is not a de Polignac number, because 1212012302011 - 2¹ = 1212012302009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212012302051) 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, 225236541 + ... + 225241921.

It is an arithmetic number, because the mean of its divisors is an integer number (58818085794).

Almost surely, 2^{1212012302011} is an apocalyptic number.

1212012302011 is a deficient number, since it is larger than the sum of its proper divisors (199621757045).

1212012302011 is a wasteful number, since it uses less digits than its factorization.

1212012302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10219 (or 10212 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1212012302011 its reverse (1102032102121), we get a palindrome (2314044404132).

The spelling of 1212012302011 in words is "one trillion, two hundred twelve billion, twelve million, three hundred two thousand, eleven".