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2120022211012 = 221621433775389
BaseRepresentation
bin11110110110011011001…
…010111011100111000100
321111200010222210220020121
4132312123022323213010
5234213301141223022
64301531425311324
7306111061315426
oct36663312734704
97450128726217
102120022211012
117481072a6412
122a2a5b195544
13124bc0227344
1474876b38816
153a22edbe2c7
hex1ed9b2bb9c4

2120022211012 has 24 divisors (see below), whose sum is σ = 3713232824280. Its totient is φ = 1059098872320.

The previous prime is 2120022211001. The next prime is 2120022211123. The reversal of 2120022211012 is 2101122200212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4207597956 + 2115814613056 = 64866^2 + 1454584^2 .

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, 28083414 + ... + 28158802.

It is an arithmetic number, because the mean of its divisors is an integer number (154718034345).

Almost surely, 22120022211012 is an apocalyptic number.

It is an amenable number.

2120022211012 is a deficient number, since it is larger than the sum of its proper divisors (1593210613268).

2120022211012 is a wasteful number, since it uses less digits than its factorization.

2120022211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81351 (or 81349 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120022211012 its reverse (2101122200212), we get a palindrome (4221144411224).

The spelling of 2120022211012 in words is "two trillion, one hundred twenty billion, twenty-two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 1621 3242 4337 6484 8674 17348 75389 150778 301556 7030277 14060554 28121108 122205569 244411138 326962093 488822276 653924186 1307848372 530005552753 1060011105506 2120022211012