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1222131102000 = 243531073116121
BaseRepresentation
bin10001110010001100101…
…100001011000100110000
311022211112102021120120220
4101302030230023010300
5130010411030231000
62333234514533040
7154203355652214
oct21621454130460
94284472246526
101222131102000
11431337167636
12178a35297180
138b32864cc33
1443219874944
1521bccab41a0
hex11c8cb0b130

1222131102000 has 320 divisors, whose sum is σ = 3990414025728. Its totient is φ = 321765120000.

The previous prime is 1222131101969. The next prime is 1222131102011. The reversal of 1222131102000 is 2011312221.

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 63 ways as a sum of consecutive naturals, for example, 199658940 + ... + 199665060.

Almost surely, 21222131102000 is an apocalyptic number.

1222131102000 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 1222131102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995207012864).

1222131102000 is an abundant number, since it is smaller than the sum of its proper divisors (2768282923728).

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

1222131102000 is a wasteful number, since it uses less digits than its factorization.

1222131102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565 (or 6549 counting only the distinct ones).

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

Adding to 1222131102000 its reverse (2011312221), we get a palindrome (1224142414221).

The spelling of 1222131102000 in words is "one trillion, two hundred twenty-two billion, one hundred thirty-one million, one hundred two thousand".