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10212102122 = 210150554961
BaseRepresentation
bin10011000001011000…
…00100111111101010
3222100200212112112112
421200230010333222
5131403244231442
64405200442322
7511031302325
oct114054047752
928320775475
1010212102122
114370513522
121b900193a2
13c699210a1
146cc3b57bc
153eb808082
hex260b04fea

10212102122 has 8 divisors (see below), whose sum is σ = 15469818372. Its totient is φ = 5055496000.

The previous prime is 10212102077. The next prime is 10212102127. The reversal of 10212102122 is 22120121201.

It can be written as a sum of positive squares in 2 ways, for example, as 10037835721 + 174266401 = 100189^2 + 13201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10212102097 and 10212102106.

It is not an unprimeable number, because it can be changed into a prime (10212102127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25277279 + ... + 25277682.

Almost surely, 210212102122 is an apocalyptic number.

10212102122 is a deficient number, since it is larger than the sum of its proper divisors (5257716250).

10212102122 is a wasteful number, since it uses less digits than its factorization.

10212102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555064.

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

Adding to 10212102122 its reverse (22120121201), we get a palindrome (32332223323).

The spelling of 10212102122 in words is "ten billion, two hundred twelve million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 101 202 50554961 101109922 5106051061 10212102122