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1212201120968 = 231254112082381
BaseRepresentation
bin10001101000111100110…
…100010011010011001000
311021212220101021021102122
4101220330310103103020
5124330041441332333
62324513312550412
7153402321343205
oct21507464232310
94255811237378
101212201120968
11428100a26942
12176b23852408
138a405309b06
1442956b3acac
15217eae37798
hex11a3cd134c8

1212201120968 has 16 divisors (see below), whose sum is σ = 2273058525660. Its totient is φ = 606052180800.

The previous prime is 1212201120967. The next prime is 1212201121031. The reversal of 1212201120968 is 8690211022121.

It can be written as a sum of positive squares in 2 ways, for example, as 1194347351044 + 17853769924 = 1092862^2 + 133618^2 .

It is not an unprimeable number, because it can be changed into a prime (1212201120967) 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, 5940863 + ... + 6141518.

Almost surely, 21212201120968 is an apocalyptic number.

It is an amenable number.

1212201120968 is a deficient number, since it is larger than the sum of its proper divisors (1060857404692).

1212201120968 is a wasteful number, since it uses less digits than its factorization.

1212201120968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12094928 (or 12094924 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 1212201120968 in words is "one trillion, two hundred twelve billion, two hundred one million, one hundred twenty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 12541 25082 50164 100328 12082381 24164762 48329524 96659048 151525140121 303050280242 606100560484 1212201120968