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1210121010988 = 22896775020999
BaseRepresentation
bin10001100111000000110…
…101010011111100101100
311021200112102011201222021
4101213000311103330230
5124311311434322423
62323531044555524
7153266632606501
oct21470065237454
94250472151867
101210121010988
1142723384348a
121766430b2ba4
138a1633942c6
14427da78b4a8
15217284ed95d
hex119c0d53f2c

1210121010988 has 24 divisors (see below), whose sum is σ = 2144669940000. Its totient is φ = 597378258048.

The previous prime is 1210121010961. The next prime is 1210121011007. The reversal of 1210121010988 is 8890101210121.

It is a super-2 number, since 2×12101210109882 (a number of 25 digits) contains 22 as substring.

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, 2269488 + ... + 2751511.

It is an arithmetic number, because the mean of its divisors is an integer number (89361247500).

Almost surely, 21210121010988 is an apocalyptic number.

It is an amenable number.

1210121010988 is a deficient number, since it is larger than the sum of its proper divisors (934548929012).

1210121010988 is a wasteful number, since it uses less digits than its factorization.

1210121010988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021769 (or 5021767 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

The spelling of 1210121010988 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, ten thousand, nine hundred eighty-eight".

Divisors: 1 2 4 89 178 356 677 1354 2708 60253 120506 241012 5020999 10041998 20083996 446868911 893737822 1787475644 3399216323 6798432646 13596865292 302530252747 605060505494 1210121010988