Search a number
-
+
2220212001212 = 223074084144269
BaseRepresentation
bin100000010011101110111…
…100101001100110111100
321212020202101120120200222
4200103232330221212330
5242333443233014322
64415541252240512
7316255631426222
oct40235674514674
97766671516628
102220212001212
1178664a880717
122ba360610138
13131499157b7a
147965d080b12
153cb45ae7e42
hex204eef299bc

2220212001212 has 24 divisors (see below), whose sum is σ = 3898210433040. Its totient is φ = 1106437933440.

The previous prime is 2220212001193. The next prime is 2220212001247. The reversal of 2220212001212 is 2121002120222.

It is a happy number.

It is a congruent number.

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, 50130614 + ... + 50174882.

It is an arithmetic number, because the mean of its divisors is an integer number (162425434710).

Almost surely, 22220212001212 is an apocalyptic number.

It is an amenable number.

2220212001212 is a deficient number, since it is larger than the sum of its proper divisors (1677998431828).

2220212001212 is a wasteful number, since it uses less digits than its factorization.

2220212001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85421 (or 85419 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2220212001212 its reverse (2121002120222), we get a palindrome (4341214121434).

The spelling of 2220212001212 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one thousand, two hundred twelve".

Divisors: 1 2 4 307 614 1228 40841 44269 81682 88538 163364 177076 12538187 13590583 25076374 27181166 50152748 54362332 1807990229 3615980458 7231960916 555053000303 1110106000606 2220212001212