1220121202330 has 16 divisors (see below), whose sum is σ = 2200619412000. Its totient is φ = 487070425872.

The previous prime is 1220121202301. The next prime is 1220121202343. The reversal of 1220121202330 is 332021210221.

It is a super-3 number, since 3×1220121202330³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220121202298 and 1220121202307.

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, 122251644 + ... + 122261623.

It is an arithmetic number, because the mean of its divisors is an integer number (137538713250).

Almost surely, 2^{1220121202330} is an apocalyptic number.

1220121202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220121202330 is a deficient number, since it is larger than the sum of its proper divisors (980498209670).

1220121202330 is a wasteful number, since it uses less digits than its factorization.

1220121202330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244513773.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1220121202330 its reverse (332021210221), we get a palindrome (1552142412551).

The spelling of 1220121202330 in words is "one trillion, two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, three hundred thirty".