122021020012 has 12 divisors (see below), whose sum is σ = 224775563320. Its totient is φ = 57799430496.

The previous prime is 122021019983. The next prime is 122021020021. The reversal of 122021020012 is 210020120221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122021019974 and 122021020001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802769793 + ... + 802769944.

Almost surely, 2^122021020012 is an apocalyptic number.

It is an amenable number.

122021020012 is a deficient number, since it is larger than the sum of its proper divisors (102754543308).

122021020012 is a wasteful number, since it uses less digits than its factorization.

122021020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605539760 (or 1605539758 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122021020012 its reverse (210020120221), we get a palindrome (332041140233).

The spelling of 122021020012 in words is "one hundred twenty-two billion, twenty-one million, twenty thousand, twelve".