211202122012 has 36 divisors (see below), whose sum is σ = 455238194544. Its totient is φ = 85190770560.

The previous prime is 211202122003. The next prime is 211202122031. The reversal of 211202122012 is 210221202112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31689664 + ... + 31696327.

It is an arithmetic number, because the mean of its divisors is an integer number (12645505404).

Almost surely, 2^211202122012 is an apocalyptic number.

It is an amenable number.

211202122012 is an abundant number, since it is smaller than the sum of its proper divisors (244036072532).

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

211202122012 is a wasteful number, since it uses less digits than its factorization.

211202122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63386026 (or 63386017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211202122012 its reverse (210221202112), we get a palindrome (421423324124).

The spelling of 211202122012 in words is "two hundred eleven billion, two hundred two million, one hundred twenty-two thousand, twelve".