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2120012201012 = 221016777751189
BaseRepresentation
bin11110110110011010100…
…100101111110000110100
321111200010021222100002212
4132312122210233300310
5234213241110413022
64301530430552552
7306110610244646
oct36663244576064
97450107870085
102120012201012
11748101689792
122a2a57968758
13124bbb131074
1474875690896
153a22e0933e2
hex1ed9a92fc34

2120012201012 has 24 divisors (see below), whose sum is σ = 3752289069480. Its totient is φ = 1047960617600.

The previous prime is 2120012201011. The next prime is 2120012201107. The reversal of 2120012201012 is 2101022100212.

It can be written as a sum of positive squares in 4 ways, for example, as 1656899286436 + 463112914576 = 1287206^2 + 680524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120012201011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602087 + ... + 4149102.

It is an arithmetic number, because the mean of its divisors is an integer number (156345377895).

Almost surely, 22120012201012 is an apocalyptic number.

It is an amenable number.

2120012201012 is a deficient number, since it is larger than the sum of its proper divisors (1632276868468).

2120012201012 is a wasteful number, since it uses less digits than its factorization.

2120012201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7751971 (or 7751969 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120012201012 its reverse (2101022100212), we get a palindrome (4221034301224).

The spelling of 2120012201012 in words is "two trillion, one hundred twenty billion, twelve million, two hundred one thousand, twelve".

Divisors: 1 2 4 101 202 404 677 1354 2708 68377 136754 273508 7751189 15502378 31004756 782870089 1565740178 3131480356 5247554953 10495109906 20990219812 530003050253 1060006100506 2120012201012