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1212401131310 = 251033188336919
BaseRepresentation
bin10001101001001000101…
…111010001111100101110
311021220102022121212001002
4101221020233101330232
5124330444142200220
62324545215520302
7153410300402555
oct21511057217456
94256368555032
101212401131310
114281a3916646
12176b7a829092
138a437898a25
1442975522d9c
152180d794c75
hex11a48bd1f2e

1212401131310 has 32 divisors (see below), whose sum is σ = 2203638428160. Its totient is φ = 480224027808.

The previous prime is 1212401131309. The next prime is 1212401131343. The reversal of 1212401131310 is 131311042121.

It is a super-2 number, since 2×12124011313102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32821031 + ... + 32857949.

It is an arithmetic number, because the mean of its divisors is an integer number (68863700880).

Almost surely, 21212401131310 is an apocalyptic number.

1212401131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212401131310 is a deficient number, since it is larger than the sum of its proper divisors (991237296850).

1212401131310 is a wasteful number, since it uses less digits than its factorization.

1212401131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68912.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1212401131310 its reverse (131311042121), we get a palindrome (1343712173431).

The spelling of 1212401131310 in words is "one trillion, two hundred twelve billion, four hundred one million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 103 206 515 1030 31883 36919 63766 73838 159415 184595 318830 369190 3283949 3802657 6567898 7605314 16419745 19013285 32839490 38026570 1177088477 2354176954 5885442385 11770884770 121240113131 242480226262 606200565655 1212401131310