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1214211132021 = 32931439959941
BaseRepresentation
bin10001101010110100100…
…111111000101001110101
311022002002110110102020110
4101222310213320221311
5124343201022211041
62325444554253233
7153503166221556
oct21526447705165
94262073412213
101214211132021
11428a425909a8
121773a4a27219
138a66587aa74
1442aa7a8032d
15218b7626516
hex11ab49f8a75

1214211132021 has 16 divisors (see below), whose sum is σ = 1625604180480. Its totient is φ = 806149932480.

The previous prime is 1214211131999. The next prime is 1214211132037. The reversal of 1214211132021 is 1202311124121.

It is not a de Polignac number, because 1214211132021 - 218 = 1214210869877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214211132721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784911 + ... + 1744851.

It is an arithmetic number, because the mean of its divisors is an integer number (101600261280).

Almost surely, 21214211132021 is an apocalyptic number.

It is an amenable number.

1214211132021 is a deficient number, since it is larger than the sum of its proper divisors (411393048459).

1214211132021 is a wasteful number, since it uses less digits than its factorization.

1214211132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961676.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1214211132021 its reverse (1202311124121), we get a palindrome (2416522256142).

The spelling of 1214211132021 in words is "one trillion, two hundred fourteen billion, two hundred eleven million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 3 293 879 1439 4317 421627 959941 1264881 2879823 281262713 843788139 1381355099 4144065297 404737044007 1214211132021