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30021012201120 = 25352910192116469
BaseRepresentation
bin1101101001101110011111…
…10001001001111010100000
310221021222110221212011122020
412310313033301021322200
512413331013110413440
6143503243531341440
76215642445221613
oct664671761117240
9127258427764566
1030021012201120
119624926817826
12344a3342b1880
131399c7a736755
1475b04bc7817a
15370dae8363d0
hex1b4dcfc49ea0

30021012201120 has 192 divisors, whose sum is σ = 97923140784000. Its totient is φ = 7721958895616.

The previous prime is 30021012201053. The next prime is 30021012201233. The reversal of 30021012201120 is 2110221012003.

It is a super-2 number, since 2×300210122011202 (a number of 28 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30021012201120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13126246 + ... + 15242714.

It is an arithmetic number, because the mean of its divisors is an integer number (510016358250).

Almost surely, 230021012201120 is an apocalyptic number.

30021012201120 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 30021012201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48961570392000).

30021012201120 is an abundant number, since it is smaller than the sum of its proper divisors (67902128582880).

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

30021012201120 is a wasteful number, since it uses less digits than its factorization.

30021012201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117535 (or 2117527 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30021012201120 its reverse (2110221012003), we get a palindrome (32131233213123).

The spelling of 30021012201120 in words is "thirty trillion, twenty-one billion, twelve million, two hundred one thousand, one hundred twenty".