1013122301220 has 72 divisors (see below), whose sum is σ = 3234881744640. Its totient is φ = 255946685760.

The previous prime is 1013122301197. The next prime is 1013122301231. The reversal of 1013122301220 is 221032213101.

1013122301220 is a `hidden beast` number, since 1 + 0 + 1 + 312 + 230 + 122 + 0 = 666.

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 = 1013122301193 and 1013122301202.

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 23 ways as a sum of consecutive naturals, for example, 148113876 + ... + 148120715.

It is an arithmetic number, because the mean of its divisors is an integer number (44928913120).

Almost surely, 2^{1013122301220} is an apocalyptic number.

1013122301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013122301220 is an abundant number, since it is smaller than the sum of its proper divisors (2221759443420).

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

1013122301220 is a wasteful number, since it uses less digits than its factorization.

1013122301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296234625 (or 296234620 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1013122301220 its reverse (221032213101), we get a palindrome (1234154514321).

The spelling of 1013122301220 in words is "one trillion, thirteen billion, one hundred twenty-two million, three hundred one thousand, two hundred twenty".