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212020233312 = 253192937127853
BaseRepresentation
bin1100010101110101100…
…1000000010001100000
3202021021001110210201210
43011131121000101200
511433204134431222
6241222321230120
721214026150666
oct3053531002140
9667231423653
10212020233312
1181a0a992418
1235111192340
1316cbb719374
14a394688c36
1557ad88ed0c
hex315d640460

212020233312 has 384 divisors, whose sum is σ = 628063027200. Its totient is φ = 62329430016.

The previous prime is 212020233311. The next prime is 212020233317. The reversal of 212020233312 is 213332020212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020233311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 248557878 + ... + 248558730.

It is an arithmetic number, because the mean of its divisors is an integer number (1635580800).

Almost surely, 2212020233312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020233312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314031513600).

212020233312 is an abundant number, since it is smaller than the sum of its proper divisors (416042793888).

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

212020233312 is a wasteful number, since it uses less digits than its factorization.

212020233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212020233312 its reverse (213332020212), we get a palindrome (425352253524).

The spelling of 212020233312 in words is "two hundred twelve billion, twenty million, two hundred thirty-three thousand, three hundred twelve".