1220211201330 has 96 divisors (see below), whose sum is σ = 3664548770688. Its totient is φ = 278408256000.

The previous prime is 1220211201301. The next prime is 1220211201343. The reversal of 1220211201330 is 331021120221.

1220211201330 is a `hidden beast` number, since 1 + 220 + 2 + 112 + 0 + 1 + 330 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36234246 + ... + 36267905.

It is an arithmetic number, because the mean of its divisors is an integer number (38172383028).

Almost surely, 2^{1220211201330} is an apocalyptic number.

1220211201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220211201330 is an abundant number, since it is smaller than the sum of its proper divisors (2444337569358).

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

1220211201330 is a wasteful number, since it uses less digits than its factorization.

1220211201330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72502192 (or 72502189 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1220211201330 its reverse (331021120221), we get a palindrome (1551232321551).

The spelling of 1220211201330 in words is "one trillion, two hundred twenty billion, two hundred eleven million, two hundred one thousand, three hundred thirty".