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1012002222100 = 225210120022221
BaseRepresentation
bin11101011101000000000…
…10000111000000010100
310120202011011201110222111
432232200002013000110
5113040040032101400
62052523555440404
7133054233646132
oct16564002070024
93522134643874
101012002222100
11360207965011
121441715b6104
137457ba2a8cc
1436da4482752
151b4d02c53ba
hexeba0087014

1012002222100 has 18 divisors (see below), whose sum is σ = 2196044822174. Its totient is φ = 404800888800.

The previous prime is 1012002222083. The next prime is 1012002222137. The reversal of 1012002222100 is 12222002101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17618314756 + 994383907344 = 132734^2 + 997188^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5060011011 + ... + 5060011210.

Almost surely, 21012002222100 is an apocalyptic number.

1012002222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012002222100 is an abundant number, since it is smaller than the sum of its proper divisors (1184042600074).

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

1012002222100 is a wasteful number, since it uses less digits than its factorization.

1012002222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120022235 (or 10120022228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012002222100 its reverse (12222002101), we get a palindrome (1024224224201).

The spelling of 1012002222100 in words is "one trillion, twelve billion, two million, two hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 10120022221 20240044442 40480088884 50600111105 101200222210 202400444420 253000555525 506001111050 1012002222100