Search a number
-
+
1222131122232 = 233411242003173
BaseRepresentation
bin10001110010001100101…
…100010000000000111000
311022211112102022121100020
4101302030230100000320
5130010411031402412
62333234515210440
7154203356065206
oct21621454200070
94284472277306
101222131122232
11431337180859
12178a352a6a20
138b3286591c7
144321987c076
1521bccaba18c
hex11c8cb10038

1222131122232 has 32 divisors (see below), whose sum is σ = 3129847998480. Its totient is φ = 397441015040.

The previous prime is 1222131122209. The next prime is 1222131122237. The reversal of 1222131122232 is 2322211312221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222131122237) 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, 621000603 + ... + 621002570.

Almost surely, 21222131122232 is an apocalyptic number.

1222131122232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222131122232 is an abundant number, since it is smaller than the sum of its proper divisors (1907716876248).

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

1222131122232 is a wasteful number, since it uses less digits than its factorization.

1222131122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242003223 (or 1242003219 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 1222131122232 its reverse (2322211312221), we get a palindrome (3544342434453).

The spelling of 1222131122232 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 1242003173 2484006346 3726009519 4968012692 7452019038 9936025384 14904038076 29808076152 50922130093 101844260186 152766390279 203688520372 305532780558 407377040744 611065561116 1222131122232