122220220212020 has 192 divisors, whose sum is σ = 296628114714624. Its totient is φ = 41435526343680.

The previous prime is 122220220212017. The next prime is 122220220212059. The reversal of 122220220212020 is 20212022022221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122220220211983 and 122220220212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12910127327 + ... + 12910136793.

It is an arithmetic number, because the mean of its divisors is an integer number (1544938097472).

Almost surely, 2^{122220220212020} is an apocalyptic number.

122220220212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122220220212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148314057357312).

122220220212020 is an abundant number, since it is smaller than the sum of its proper divisors (174407894502604).

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

122220220212020 is a wasteful number, since it uses less digits than its factorization.

122220220212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478 (or 12476 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122220220212020 its reverse (20212022022221), we get a palindrome (142432242234241).

The spelling of 122220220212020 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty million, two hundred twelve thousand, twenty".