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1210020220200 = 23352111801101797
BaseRepresentation
bin10001100110111010110…
…100110100110100101000
311021200021101112001000010
4101212322310310310220
5124311110134021300
62323513044411520
7153264300112011
oct21467264646450
94250241461003
101210020220200
11427191961910
121766153a6ba0
138a14853489c
14427cb232008
152171e73ea50
hex119bad34d28

1210020220200 has 192 divisors, whose sum is σ = 4094380710720. Its totient is φ = 293172480000.

The previous prime is 1210020220109. The next prime is 1210020220291. The reversal of 1210020220200 is 20220200121.

It is an interprime number because it is at equal distance from previous prime (1210020220109) and next prime (1210020220291).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 11835702 + ... + 11937498.

It is an arithmetic number, because the mean of its divisors is an integer number (21324899535).

Almost surely, 21210020220200 is an apocalyptic number.

1210020220200 is a gapful number since it is divisible by the number (10) 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 1210020220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047190355360).

1210020220200 is an abundant number, since it is smaller than the sum of its proper divisors (2884360490520).

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

1210020220200 is a wasteful number, since it uses less digits than its factorization.

1210020220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103628 (or 103619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1210020220200 its reverse (20220200121), we get a palindrome (1230240420321).

The spelling of 1210020220200 in words is "one trillion, two hundred ten billion, twenty million, two hundred twenty thousand, two hundred".