1220302212102 has 32 divisors (see below), whose sum is σ = 2717665140960. Its totient is φ = 405885036960.

The previous prime is 1220302212089. The next prime is 1220302212113. The reversal of 1220302212102 is 2012122030221.

It is a super-2 number, since 2×1220302212102² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24485073 + ... + 24534860.

It is an arithmetic number, because the mean of its divisors is an integer number (84927035655).

Almost surely, 2^{1220302212102} is an apocalyptic number.

1220302212102 is an abundant number, since it is smaller than the sum of its proper divisors (1497362928858).

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

1220302212102 is a wasteful number, since it uses less digits than its factorization.

1220302212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49020405 (or 49020399 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1220302212102 its reverse (2012122030221), we get a palindrome (3232424242323).

The spelling of 1220302212102 in words is "one trillion, two hundred twenty billion, three hundred two million, two hundred twelve thousand, one hundred two".