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10121210000122 = 213389277307697
BaseRepresentation
bin1001001101001000011100…
…1000000111001011111010
31022211120121112020020110011
42103102013020013023322
52311311214230000442
633305341504012134
72063143006344664
oct223220710071372
938746545206404
1010121210000122
113252421205141
12117568490104a
1358556cc289a0
1426dc25049534
1512842125c117
hex934872072fa

10121210000122 has 8 divisors (see below), whose sum is σ = 16349646923316. Its totient is φ = 4671327692352.

The previous prime is 10121210000009. The next prime is 10121210000129. The reversal of 10121210000122 is 22100001212101.

It can be written as a sum of positive squares in 2 ways, for example, as 8495307038241 + 1625902961881 = 2914671^2 + 1275109^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10121210000129) 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, 194638653823 + ... + 194638653874.

Almost surely, 210121210000122 is an apocalyptic number.

10121210000122 is a deficient number, since it is larger than the sum of its proper divisors (6228436923194).

10121210000122 is a wasteful number, since it uses less digits than its factorization.

10121210000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389277307712.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121210000122 its reverse (22100001212101), we get a palindrome (32221211212223).

The spelling of 10121210000122 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 13 26 389277307697 778554615394 5060605000061 10121210000122