1220031303102 has 12 divisors (see below), whose sum is σ = 2643401156760. Its totient is φ = 406677101028.

The previous prime is 1220031303083. The next prime is 1220031303109. The reversal of 1220031303102 is 2013031300221.

1220031303102 is a `hidden beast` number, since 1 + 220 + 0 + 3 + 130 + 310 + 2 = 666.

It is a super-3 number, since 3×1220031303102³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 67779516839 = 1220031303102 / (1 + 2 + 2 + 0 + 0 + 3 + 1 + 3 + 0 + 3 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220031303109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33889758402 + ... + 33889758437.

It is an arithmetic number, because the mean of its divisors is an integer number (220283429730).

Almost surely, 2^{1220031303102} is an apocalyptic number.

1220031303102 is an abundant number, since it is smaller than the sum of its proper divisors (1423369853658).

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

1220031303102 is a wasteful number, since it uses less digits than its factorization.

1220031303102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67779516847 (or 67779516844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1220031303102 its reverse (2013031300221), we get a palindrome (3233062603323).

The spelling of 1220031303102 in words is "one trillion, two hundred twenty billion, thirty-one million, three hundred three thousand, one hundred two".