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1201113033220 = 225244724542563
BaseRepresentation
bin10001011110100111111…
…010100110101000000100
311020211021122002001112001
4101132213322212220010
5124134334414030340
62315441140435044
7152530462220602
oct21364772465004
94224248061461
101201113033220
11423430aa3461
1217494a3a8a84
138935907ca49
14421c429a872
152139c79829a
hex117a7ea6a04

1201113033220 has 24 divisors (see below), whose sum is σ = 2523368260224. Its totient is φ = 480248853216.

The previous prime is 1201113033217. The next prime is 1201113033223. The reversal of 1201113033220 is 223303111021.

It is an interprime number because it is at equal distance from previous prime (1201113033217) and next prime (1201113033223).

It is not an unprimeable number, because it can be changed into a prime (1201113033223) 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, 12222342 + ... + 12320221.

It is an arithmetic number, because the mean of its divisors is an integer number (105140344176).

Almost surely, 21201113033220 is an apocalyptic number.

1201113033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201113033220 is an abundant number, since it is smaller than the sum of its proper divisors (1322255227004).

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

1201113033220 is a wasteful number, since it uses less digits than its factorization.

1201113033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24545019 (or 24545017 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1201113033220 its reverse (223303111021), we get a palindrome (1424416144241).

The spelling of 1201113033220 in words is "one trillion, two hundred one billion, one hundred thirteen million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2447 4894 9788 12235 24470 48940 24542563 49085126 98170252 122712815 245425630 490851260 60055651661 120111303322 240222606644 300278258305 600556516610 1201113033220