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1201212006 = 231731157237
BaseRepresentation
bin100011110011001…
…0000101001100110
310002201021220002120
41013212100221212
54430002241011
6315110050410
741524063551
oct10746205146
93081256076
101201212006
115670643a5
12296349a06
13161b2a047
14b5767698
15706c9a06
hex47990a66

1201212006 has 16 divisors (see below), whose sum is σ = 2416312944. Its totient is φ = 398089184.

The previous prime is 1201211971. The next prime is 1201212043. The reversal of 1201212006 is 6002121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577581 + ... + 579656.

It is an arithmetic number, because the mean of its divisors is an integer number (151019559).

Almost surely, 21201212006 is an apocalyptic number.

1201212006 is an abundant number, since it is smaller than the sum of its proper divisors (1215100938).

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

1201212006 is a wasteful number, since it uses less digits than its factorization.

1201212006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157415.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1201212006 is about 34658.5055361595. The cubic root of 1201212006 is about 1063.0162122919.

Adding to 1201212006 its reverse (6002121021), we get a palindrome (7203333027).

The spelling of 1201212006 in words is "one billion, two hundred one million, two hundred twelve thousand, six".

Divisors: 1 2 3 6 173 346 519 1038 1157237 2314474 3471711 6943422 200202001 400404002 600606003 1201212006