1220213330132 has 24 divisors (see below), whose sum is σ = 2228339855616. Its totient is φ = 583547757408.

The previous prime is 1220213330107. The next prime is 1220213330143. The reversal of 1220213330132 is 2310333120221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1220213330098 and 1220213330107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332053 + ... + 2052995.

It is an arithmetic number, because the mean of its divisors is an integer number (92847493984).

Almost surely, 2^{1220213330132} is an apocalyptic number.

It is an amenable number.

1220213330132 is a deficient number, since it is larger than the sum of its proper divisors (1008126525484).

1220213330132 is a wasteful number, since it uses less digits than its factorization.

1220213330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739367 (or 739365 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1220213330132 its reverse (2310333120221), we get a palindrome (3530546450353).

The spelling of 1220213330132 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, three hundred thirty thousand, one hundred thirty-two".