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2120220030012 = 223779319502717
BaseRepresentation
bin11110110110100110111…
…101100011010000111100
321111200122210001010220020
4132312212331203100330
5234214202311430022
64302003213252140
7306116012620260
oct36664675432074
97450583033806
102120220030012
117481a8a29797
122a2ab5494050
13124c221c99c6
14748951100a0
153a24244735c
hex1eda6f6343c

2120220030012 has 48 divisors (see below), whose sum is σ = 5725488706560. Its totient is φ = 598109084352.

The previous prime is 2120220030011. The next prime is 2120220030013. The reversal of 2120220030012 is 2100300220212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120220030011) and next prime (2120220030013).

It is a junction number, because it is equal to n+sod(n) for n = 2120220029973 and 2120220030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120220030011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159744723 + ... + 159757994.

It is an arithmetic number, because the mean of its divisors is an integer number (119281014720).

Almost surely, 22120220030012 is an apocalyptic number.

It is an amenable number.

2120220030012 is an abundant number, since it is smaller than the sum of its proper divisors (3605268676548).

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

2120220030012 is a wasteful number, since it uses less digits than its factorization.

2120220030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319502810 (or 319502808 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2120220030012 its reverse (2100300220212), we get a palindrome (4220520250224).

The spelling of 2120220030012 in words is "two trillion, one hundred twenty billion, two hundred twenty million, thirty thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 79 84 158 237 316 474 553 948 1106 1659 2212 3318 6636 319502717 639005434 958508151 1278010868 1917016302 2236519019 3834032604 4473038038 6709557057 8946076076 13419114114 25240714643 26838228228 50481429286 75722143929 100962858572 151444287858 176685002501 302888575716 353370005002 530055007503 706740010004 1060110015006 2120220030012