20212212002012 has 24 divisors (see below), whose sum is σ = 36040562978112. Its totient is φ = 9914927422400.

The previous prime is 20212212001999. The next prime is 20212212002029. The reversal of 20212212002012 is 21020021221202.

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 7 ways as a sum of consecutive naturals, for example, 1863437 + ... + 6625467.

It is an arithmetic number, because the mean of its divisors is an integer number (1501690124088).

Almost surely, 2^{20212212002012} is an apocalyptic number.

It is an amenable number.

20212212002012 is a deficient number, since it is larger than the sum of its proper divisors (15828350976100).

20212212002012 is a wasteful number, since it uses less digits than its factorization.

20212212002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782109 (or 4782107 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20212212002012 its reverse (21020021221202), we get a palindrome (41232233223214).

The spelling of 20212212002012 in words is "twenty trillion, two hundred twelve billion, two hundred twelve million, two thousand, twelve".