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1201020120023 = 25721191220529
BaseRepresentation
bin10001011110100010011…
…000001010101111010111
311020211001011020120120112
4101132202120022233113
5124134142122320043
62315424021153235
7152525253402623
oct21364230125727
94224034216515
101201020120023
11423393602399
1217492325b81b
1389342a4ab19
14421b5bd2183
1521394543518
hex117a260abd7

1201020120023 has 8 divisors (see below), whose sum is σ = 1205755714080. Its totient is φ = 1196285009920.

The previous prime is 1201020120007. The next prime is 1201020120059. The reversal of 1201020120023 is 3200210201021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201020120023 - 24 = 1201020120007 is a prime.

It is a super-2 number, since 2×12010201200232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201020126023) 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, 5335823 + ... + 5556351.

It is an arithmetic number, because the mean of its divisors is an integer number (150719464260).

Almost surely, 21201020120023 is an apocalyptic number.

1201020120023 is a deficient number, since it is larger than the sum of its proper divisors (4735594057).

1201020120023 is a wasteful number, since it uses less digits than its factorization.

1201020120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241977.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1201020120023 its reverse (3200210201021), we get a palindrome (4401230321044).

The spelling of 1201020120023 in words is "one trillion, two hundred one billion, twenty million, one hundred twenty thousand, twenty-three".

Divisors: 1 257 21191 220529 5446087 56675953 4673230039 1201020120023