20122023212 has 6 divisors (see below), whose sum is σ = 35213540628. Its totient is φ = 10061011604.

The previous prime is 20122023211. The next prime is 20122023217. The reversal of 20122023212 is 21232022102.

It is not an unprimeable number, because it can be changed into a prime (20122023211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515252898 + ... + 2515252905.

It is an arithmetic number, because the mean of its divisors is an integer number (5868923438).

Almost surely, 2^20122023212 is an apocalyptic number.

It is an amenable number.

20122023212 is a deficient number, since it is larger than the sum of its proper divisors (15091517416).

20122023212 is a wasteful number, since it uses less digits than its factorization.

20122023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030505807 (or 5030505805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20122023212 its reverse (21232022102), we get a palindrome (41354045314).

The spelling of 20122023212 in words is "twenty billion, one hundred twenty-two million, twenty-three thousand, two hundred twelve".