1220412025332 has 18 divisors (see below), whose sum is σ = 3084930397458. Its totient is φ = 406804008432.

The previous prime is 1220412025307. The next prime is 1220412025351. The reversal of 1220412025332 is 2335202140221.

1220412025332 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 4 + 120 + 2 + 533 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1219266473616 + 1145551716 = 1104204^2 + 33846^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1220412025296 and 1220412025305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16950166983 + ... + 16950167054.

It is an arithmetic number, because the mean of its divisors is an integer number (171385022081).

Almost surely, 2^{1220412025332} is an apocalyptic number.

1220412025332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220412025332 is an abundant number, since it is smaller than the sum of its proper divisors (1864518372126).

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

1220412025332 is a wasteful number, since it uses less digits than its factorization.

1220412025332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33900334047 (or 33900334042 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1220412025332 its reverse (2335202140221), we get a palindrome (3555614165553).

The spelling of 1220412025332 in words is "one trillion, two hundred twenty billion, four hundred twelve million, twenty-five thousand, three hundred thirty-two".