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10021000210212 = 223835083350851
BaseRepresentation
bin1001000111010011001000…
…1010000110011100100100
31022110222221201211110112210
42101310302022012130210
52303141002023211322
633151330044243420
72052664504236045
oct221646212063444
938428851743483
1010021000210212
11321397840a852
12115a178840570
13578c8cb14c04
1426903a1b88cc
15125a088d270c
hex91d32286724

10021000210212 has 12 divisors (see below), whose sum is σ = 23382333823856. Its totient is φ = 3340333403400.

The previous prime is 10021000210189. The next prime is 10021000210219. The reversal of 10021000210212 is 21201200012001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 835083350851 = 10021000210212 / (1 + 0 + 0 + 2 + 1 + 0 + 0 + 0 + 2 + 1 + 0 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (10021000210219) 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, 417541675414 + ... + 417541675437.

Almost surely, 210021000210212 is an apocalyptic number.

10021000210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021000210212 is an abundant number, since it is smaller than the sum of its proper divisors (13361333613644).

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

10021000210212 is a wasteful number, since it uses less digits than its factorization.

10021000210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835083350858 (or 835083350856 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10021000210212 its reverse (21201200012001), we get a palindrome (31222200222213).

The spelling of 10021000210212 in words is "ten trillion, twenty-one billion, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 835083350851 1670166701702 2505250052553 3340333403404 5010500105106 10021000210212