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1212120210102 = 23202020035017
BaseRepresentation
bin10001101000110111111…
…111101001101010110110
311021212200202000120120220
4101220313333221222312
5124324410233210402
62324501302435210
7153400316534364
oct21506777515266
94255622016526
101212120210102
1142806a29335a
12176b00732b06
138a3c161ac69
144294a0b8634
15217e3ca3dbc
hex11a37fe9ab6

1212120210102 has 8 divisors (see below), whose sum is σ = 2424240420216. Its totient is φ = 404040070032.

The previous prime is 1212120210101. The next prime is 1212120210139. The reversal of 1212120210102 is 2010120212121.

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

1212120210102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212120210101) 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, 101010017503 + ... + 101010017514.

It is an arithmetic number, because the mean of its divisors is an integer number (303030052527).

Almost surely, 21212120210102 is an apocalyptic number.

1212120210102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1212120210102 is a wasteful number, since it uses less digits than its factorization.

1212120210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202020035022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212120210102 its reverse (2010120212121), we get a palindrome (3222240422223).

The spelling of 1212120210102 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred ten thousand, one hundred two".

Divisors: 1 2 3 6 202020035017 404040070034 606060105051 1212120210102