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1222287382120 = 23574365312079
BaseRepresentation
bin10001110010010110000…
…000010101011001101000
311022211221022100102121111
4101302112000111121220
5130011221032211440
62333302220320104
7154210264216330
oct21622600253150
94284838312544
101222287382120
114314073a9162
12178a796a3034
138b351b3a48c
14432325160c0
1521bdb6844ea
hex11c96015668

1222287382120 has 32 divisors (see below), whose sum is σ = 3143024697600. Its totient is φ = 419069959488.

The previous prime is 1222287382117. The next prime is 1222287382177. The reversal of 1222287382120 is 212837822221.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182655760 + ... + 2182656319.

It is an arithmetic number, because the mean of its divisors is an integer number (98219521800).

Almost surely, 21222287382120 is an apocalyptic number.

1222287382120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222287382120 is an abundant number, since it is smaller than the sum of its proper divisors (1920737315480).

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

1222287382120 is a wasteful number, since it uses less digits than its factorization.

1222287382120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365312097 (or 4365312093 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 1222287382120 in words is "one trillion, two hundred twenty-two billion, two hundred eighty-seven million, three hundred eighty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4365312079 8730624158 17461248316 21826560395 30557184553 34922496632 43653120790 61114369106 87306241580 122228738212 152785922765 174612483160 244457476424 305571845530 611143691060 1222287382120