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2120223212 = 221995095233
BaseRepresentation
bin111111001100000…
…0000100111101100
312110202120111110122
41332120000213230
513320234120322
6550215424112
7103353412532
oct17630004754
95422514418
102120223212
119988a1098
124b2085038
1327a34ba63
14161832152
15c620e442
hex7e6009ec

2120223212 has 24 divisors (see below), whose sum is σ = 3737076000. Its totient is φ = 1052510976.

The previous prime is 2120223211. The next prime is 2120223239. The reversal of 2120223212 is 2123220212.

It is not an unprimeable number, because it can be changed into a prime (2120223211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402548 + ... + 407780.

It is an arithmetic number, because the mean of its divisors is an integer number (155711500).

Almost surely, 22120223212 is an apocalyptic number.

It is an amenable number.

2120223212 is a deficient number, since it is larger than the sum of its proper divisors (1616852788).

2120223212 is a wasteful number, since it uses less digits than its factorization.

2120223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945 (or 5943 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2120223212 is about 46045.8815965120. The cubic root of 2120223212 is about 1284.6767418537.

Adding to 2120223212 its reverse (2123220212), we get a palindrome (4243443424).

The spelling of 2120223212 in words is "two billion, one hundred twenty million, two hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 199 398 509 796 1018 2036 5233 10466 20932 101291 202582 405164 1041367 2082734 2663597 4165468 5327194 10654388 530055803 1060111606 2120223212