122012010221020 has 24 divisors (see below), whose sum is σ = 256238057308464. Its totient is φ = 48802359165696.

The previous prime is 122012010221011. The next prime is 122012010221021. The reversal of 122012010221020 is 20122010210221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122012010220985 and 122012010221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012010221021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152398429 + ... + 153196948.

It is an arithmetic number, because the mean of its divisors is an integer number (10676585721186).

Almost surely, 2^{122012010221020} is an apocalyptic number.

122012010221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012010221020 is an abundant number, since it is smaller than the sum of its proper divisors (134226047087444).

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

122012010221020 is a wasteful number, since it uses less digits than its factorization.

122012010221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305615349 (or 305615347 counting only the distinct ones).

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

Adding to 122012010221020 its reverse (20122010210221), we get a palindrome (142134020431241).

The spelling of 122012010221020 in words is "one hundred twenty-two trillion, twelve billion, ten million, two hundred twenty-one thousand, twenty".