Search a number
-
+
122200001200 = 2452535764151
BaseRepresentation
bin111000111001110110…
…0000000101010110000
3102200102022212020210101
41301303230000222300
54000231200014300
6132045442042144
711554141605034
oct1616354005260
9380368766711
10122200001200
1147908795632
121b824649354
13b6a5c19424
145cb35c41c4
1532a31c2b6a
hex1c73b00ab0

122200001200 has 60 divisors (see below), whose sum is σ = 299124903888. Its totient is φ = 47957728000.

The previous prime is 122200001159. The next prime is 122200001201. The reversal of 122200001200 is 2100002221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (122200001201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2860876 + ... + 2903275.

Almost surely, 2122200001200 is an apocalyptic number.

122200001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200001200 is an abundant number, since it is smaller than the sum of its proper divisors (176924902688).

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

122200001200 is a wasteful number, since it uses less digits than its factorization.

122200001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5764222 (or 5764211 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 122200001200 its reverse (2100002221), we get a palindrome (124300003421).

The spelling of 122200001200 in words is "one hundred twenty-two billion, two hundred million, one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 200 212 265 400 424 530 848 1060 1325 2120 2650 4240 5300 10600 21200 5764151 11528302 23056604 28820755 46113208 57641510 92226416 115283020 144103775 230566040 288207550 305500003 461132080 576415100 611000006 1152830200 1222000012 1527500015 2305660400 2444000024 3055000030 4888000048 6110000060 7637500075 12220000120 15275000150 24440000240 30550000300 61100000600 122200001200