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212354120000 = 2654111134271
BaseRepresentation
bin1100010111000101001…
…0101011100101000000
3202022010022202000011102
43011301102223211000
511434400123320000
6241315405433532
721225222144401
oct3056122534500
9668108660142
10212354120000
1182071401430
12351a4b6b8a8
1317042950259
14a3c6b5d9a8
1557ccd443d5
hex31714ab940

212354120000 has 280 divisors, whose sum is σ = 579658349952. Its totient is φ = 76518400000.

The previous prime is 212354119973. The next prime is 212354120023. The reversal of 212354120000 is 21453212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49717865 + ... + 49722135.

Almost surely, 2212354120000 is an apocalyptic number.

212354120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212354120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289829174976).

212354120000 is an abundant number, since it is smaller than the sum of its proper divisors (367304229952).

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

212354120000 is a wasteful number, since it uses less digits than its factorization.

212354120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427 (or 4402 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 212354120000 its reverse (21453212), we get a palindrome (212375573212).

The spelling of 212354120000 in words is "two hundred twelve billion, three hundred fifty-four million, one hundred twenty thousand".