20122011001212 has 48 divisors (see below), whose sum is σ = 46980917754624. Its totient is φ = 6703115584000.

The previous prime is 20122011001171. The next prime is 20122011001241. The reversal of 20122011001212 is 21210011022102.

It is a junction number, because it is equal to n+sod(n) for n = 20122011001191 and 20122011001200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133288012 + ... + 133438892.

It is an arithmetic number, because the mean of its divisors is an integer number (978769119888).

Almost surely, 2^{20122011001212} is an apocalyptic number.

It is an amenable number.

20122011001212 is an abundant number, since it is smaller than the sum of its proper divisors (26858906753412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122011001212 is a wasteful number, since it uses less digits than its factorization.

20122011001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157810 (or 157808 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122011001212 its reverse (21210011022102), we get a palindrome (41332022023314).

The spelling of 20122011001212 in words is "twenty trillion, one hundred twenty-two billion, eleven million, one thousand, two hundred twelve".