1012201003120 has 40 divisors (see below), whose sum is σ = 2353412434464. Its totient is φ = 404872641792.

The previous prime is 1012201003111. The next prime is 1012201003129. The reversal of 1012201003120 is 213001022101.

It is an interprime number because it is at equal distance from previous prime (1012201003111) and next prime (1012201003129).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1012201003120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012201003129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5996517 + ... + 6163003.

Almost surely, 2^{1012201003120} is an apocalyptic number.

1012201003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012201003120 is an abundant number, since it is smaller than the sum of its proper divisors (1341211431344).

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

1012201003120 is a wasteful number, since it uses less digits than its factorization.

1012201003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242497 (or 242491 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1012201003120 its reverse (213001022101), we get a palindrome (1225202025221).

The spelling of 1012201003120 in words is "one trillion, twelve billion, two hundred one million, three thousand, one hundred twenty".