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30212311200000 = 2835548725849
BaseRepresentation
bin1101101111010010110100…
…00100111011000100000000
310221222021020220200012110220
412313221122010323010000
512424444303131400000
6144131202201023040
76235524143664456
oct667513204730400
9127867226605426
1030212311200000
119698a73048006
12347b421a84a80
1313b2016212847
147663d85369d6
15375d58e911a0
hex1b7a5a13b100

30212311200000 has 432 divisors, whose sum is σ = 100714847587200. Its totient is φ = 8039761920000.

The previous prime is 30212311199899. The next prime is 30212311200011. The reversal of 30212311200000 is 211321203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1168787076 + ... + 1168812924.

Almost surely, 230212311200000 is an apocalyptic number.

30212311200000 is a gapful number since it is divisible by the number (30) 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 30212311200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50357423793600).

30212311200000 is an abundant number, since it is smaller than the sum of its proper divisors (70502536387200).

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

30212311200000 is an frugal number, since it uses more digits than its factorization.

30212311200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26380 (or 26346 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30212311200000 its reverse (211321203), we get a palindrome (30212522521203).

The spelling of 30212311200000 in words is "thirty trillion, two hundred twelve billion, three hundred eleven million, two hundred thousand".