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10212101211020 = 225677620971053
BaseRepresentation
bin1001010010011011000010…
…1010100100001110001100
31100011021012220002011002112
42110212300222210032030
52314303340402223040
633415212522043152
72102541250033022
oct224466052441614
940137186064075
1010212101211020
113287a229a5165
12118b2100494b8
13590cc6587c97
142743a8456712
1512a99097b365
hex949b0aa438c

10212101211020 has 24 divisors (see below), whose sum is σ = 21765493330224. Its totient is φ = 4023872715456.

The previous prime is 10212101211019. The next prime is 10212101211047. The reversal of 10212101211020 is 2011210121201.

It is a super-2 number, since 2×102121012110202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212101210986 and 10212101211004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810484187 + ... + 3810486866.

It is an arithmetic number, because the mean of its divisors is an integer number (906895555426).

Almost surely, 210212101211020 is an apocalyptic number.

10212101211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212101211020 is an abundant number, since it is smaller than the sum of its proper divisors (11553392119204).

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

10212101211020 is a wasteful number, since it uses less digits than its factorization.

10212101211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620971129 (or 7620971127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10212101211020 its reverse (2011210121201), we get a palindrome (12223311332221).

The spelling of 10212101211020 in words is "ten trillion, two hundred twelve billion, one hundred one million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 7620971053 15241942106 30483884212 38104855265 76209710530 152419421060 510605060551 1021210121102 2042420242204 2553025302755 5106050605510 10212101211020