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1210001200019 = 29212111967101
BaseRepresentation
bin10001100110111001101…
…100010001001110010011
311021200020001201201012222
4101212321230101032103
5124311040301400034
62323511125011255
7153263646333413
oct21467154211623
94250201651188
101210001200019
11427182150757
1217660ab53b2b
138a144605441
14427c88c0643
152171cc3412e
hex119b9b11393

1210001200019 has 8 divisors (see below), whose sum is σ = 1251785028720. Its totient is φ = 1168221348000.

The previous prime is 1210001199943. The next prime is 1210001200039. The reversal of 1210001200019 is 9100021000121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210001200019 - 228 = 1209732764563 is a prime.

It is a super-2 number, since 2×12100012000192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210001200039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368432 + ... + 1598669.

It is an arithmetic number, because the mean of its divisors is an integer number (156473128590).

Almost surely, 21210001200019 is an apocalyptic number.

1210001200019 is a deficient number, since it is larger than the sum of its proper divisors (41783828701).

1210001200019 is a wasteful number, since it uses less digits than its factorization.

1210001200019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988341.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1210001200019 in words is "one trillion, two hundred ten billion, one million, two hundred thousand, nineteen".

Divisors: 1 29 21211 615119 1967101 57045929 41724179311 1210001200019