1222130122020 has 72 divisors (see below), whose sum is σ = 3709203511104. Its totient is φ = 325718906688.

The previous prime is 1222130121997. The next prime is 1222130122027. The reversal of 1222130122020 is 202210312221.

1222130122020 is a `hidden beast` number, since 122 + 2 + 1 + 301 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222130121984 and 1222130122002.

It is not an unprimeable number, because it can be changed into a prime (1222130122027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1578064 + ... + 2221383.

It is an arithmetic number, because the mean of its divisors is an integer number (51516715432).

Almost surely, 2^{1222130122020} is an apocalyptic number.

1222130122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222130122020 is an abundant number, since it is smaller than the sum of its proper divisors (2487073389084).

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

1222130122020 is a wasteful number, since it uses less digits than its factorization.

1222130122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801249 (or 3801244 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1222130122020 its reverse (202210312221), we get a palindrome (1424340434241).

The spelling of 1222130122020 in words is "one trillion, two hundred twenty-two billion, one hundred thirty million, one hundred twenty-two thousand, twenty".