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1210012220002 = 2605006110001
BaseRepresentation
bin10001100110111010010…
…110010011101001100010
311021200020211110120210111
4101212322112103221202
5124311101112020002
62323512201121534
7153264142111555
oct21467226235142
94250224416714
101210012220002
11427188398183
121766127892aa
138a146993341
14427ca14c69c
152171dbae3d7
hex119ba593a62

1210012220002 has 4 divisors (see below), whose sum is σ = 1815018330006. Its totient is φ = 605006110000.

The previous prime is 1210012219963. The next prime is 1210012220051. The reversal of 1210012220002 is 2000222100121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 910824005641 + 299188214361 = 954371^2 + 546981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302503054999 + ... + 302503055002.

Almost surely, 21210012220002 is an apocalyptic number.

1210012220002 is a deficient number, since it is larger than the sum of its proper divisors (605006110004).

1210012220002 is an equidigital number, since it uses as much as digits as its factorization.

1210012220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605006110003.

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

Adding to 1210012220002 its reverse (2000222100121), we get a palindrome (3210234320123).

The spelling of 1210012220002 in words is "one trillion, two hundred ten billion, twelve million, two hundred twenty thousand, two".

Divisors: 1 2 605006110001 1210012220002