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10121121012212 = 227715091107149
BaseRepresentation
bin1001001101001000000111…
…0100101001100111110100
31022211120101022210011222122
42103102001310221213310
52311311023434342322
633305325004415112
72063140546066010
oct223220164514764
938746338704878
1010121121012212
113252385a55211
12117565ab47498
1358555766c612
1426dc172c3540
15128418530442
hex93481d299f4

10121121012212 has 24 divisors (see below), whose sum is σ = 20527344028800. Its totient is φ = 4276530004320.

The previous prime is 10121121012199. The next prime is 10121121012239. The reversal of 10121121012212 is 21221012112101.

It is a congruent number.

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, 2545551587 + ... + 2545555562.

It is an arithmetic number, because the mean of its divisors is an integer number (855306001200).

Almost surely, 210121121012212 is an apocalyptic number.

It is an amenable number.

10121121012212 is an abundant number, since it is smaller than the sum of its proper divisors (10406223016588).

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

10121121012212 is a wasteful number, since it uses less digits than its factorization.

10121121012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091107231 (or 5091107229 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10121121012212 its reverse (21221012112101), we get a palindrome (31342133124313).

The spelling of 10121121012212 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty-one million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 5091107149 10182214298 20364428596 35637750043 71275500086 142551000172 361468607579 722937215158 1445874430316 2530280253053 5060560506106 10121121012212