1220552120302 has 16 divisors (see below), whose sum is σ = 1890086026752. Its totient is φ = 590527587960.

The previous prime is 1220552120287. The next prime is 1220552120357. The reversal of 1220552120302 is 2030212550221.

It is a super-3 number, since 3×1220552120302³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439108 + ... + 1622935.

It is an arithmetic number, because the mean of its divisors is an integer number (118130376672).

Almost surely, 2^{1220552120302} is an apocalyptic number.

1220552120302 is a deficient number, since it is larger than the sum of its proper divisors (669533906450).

1220552120302 is a wasteful number, since it uses less digits than its factorization.

1220552120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071623.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1220552120302 its reverse (2030212550221), we get a palindrome (3250764670523).

The spelling of 1220552120302 in words is "one trillion, two hundred twenty billion, five hundred fifty-two million, one hundred twenty thousand, three hundred two".