1300121223030 has 128 divisors (see below), whose sum is σ = 3963091968000. Its totient is φ = 297109233792.

The previous prime is 1300121222999. The next prime is 1300121223061. The reversal of 1300121223030 is 303221210031.

It is an interprime number because it is at equal distance from previous prime (1300121222999) and next prime (1300121223061).

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

It is a junction number, because it is equal to n+sod(n) for n = 1300121222994 and 1300121223012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9424996 + ... + 9561944.

It is an arithmetic number, because the mean of its divisors is an integer number (30961656000).

Almost surely, 2^{1300121223030} is an apocalyptic number.

1300121223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1300121223030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981545984000).

1300121223030 is an abundant number, since it is smaller than the sum of its proper divisors (2662970744970).

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

1300121223030 is a wasteful number, since it uses less digits than its factorization.

1300121223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141995 (or 141989 counting only the distinct ones).

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

Adding to 1300121223030 its reverse (303221210031), we get a palindrome (1603342433061).

The spelling of 1300121223030 in words is "one trillion, three hundred billion, one hundred twenty-one million, two hundred twenty-three thousand, thirty".