20122100211212 has 6 divisors (see below), whose sum is σ = 35213675369628. Its totient is φ = 10061050105604.

The previous prime is 20122100211193. The next prime is 20122100211259. The reversal of 20122100211212 is 21211200122102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515262526398 + ... + 2515262526405.

It is an arithmetic number, because the mean of its divisors is an integer number (5868945894938).

Almost surely, 2^{20122100211212} is an apocalyptic number.

It is an amenable number.

20122100211212 is a deficient number, since it is larger than the sum of its proper divisors (15091575158416).

20122100211212 is a wasteful number, since it uses less digits than its factorization.

20122100211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030525052807 (or 5030525052805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20122100211212 its reverse (21211200122102), we get a palindrome (41333300333314).

The spelling of 20122100211212 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, two hundred eleven thousand, two hundred twelve".