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1232101232020 = 2251729124959557
BaseRepresentation
bin10001111011011110111…
…101001100110110010100
311100210021020211122210201
4101323132331030312110
5130141320403411040
62342004113230244
7155005421446531
oct21733675146624
94323236748721
101232101232020
1143559302a90a
1217a958262384
138c2570ac659
14438c3a5dd88
15220b3021a9a
hex11edef4cd94

1232101232020 has 48 divisors (see below), whose sum is σ = 2834082775440. Its totient is φ = 447855048704.

The previous prime is 1232101231979. The next prime is 1232101232039. The reversal of 1232101232020 is 202321012321.

It can be written as a sum of positive squares in 8 ways, for example, as 205463556 + 1231895768464 = 14334^2 + 1109908^2 .

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, 62469919 + ... + 62489638.

It is an arithmetic number, because the mean of its divisors is an integer number (59043391155).

Almost surely, 21232101232020 is an apocalyptic number.

1232101232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232101232020 is an abundant number, since it is smaller than the sum of its proper divisors (1601981543420).

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

1232101232020 is a wasteful number, since it uses less digits than its factorization.

1232101232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124959612 (or 124959610 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1232101232020 its reverse (202321012321), we get a palindrome (1434422244341).

The spelling of 1232101232020 in words is "one trillion, two hundred thirty-two billion, one hundred one million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 29 34 58 68 85 116 145 170 290 340 493 580 986 1972 2465 4930 9860 124959557 249919114 499838228 624797785 1249595570 2124312469 2499191140 3623827153 4248624938 7247654306 8497249876 10621562345 14495308612 18119135765 21243124690 36238271530 42486249380 61605061601 72476543060 123210123202 246420246404 308025308005 616050616010 1232101232020