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1212202201010 = 25121220220101
BaseRepresentation
bin10001101000111100111…
…000011010111110110010
311021212220110022010222012
4101220330320122332302
5124330042230413020
62324513352042522
7153402333462053
oct21507470327662
94255813263865
101212202201010
114281015a4339
12176b24093442
138a4055c75a8
1442956d3c72a
15217eb09c7c5
hex11a3ce1afb2

1212202201010 has 8 divisors (see below), whose sum is σ = 2181963961836. Its totient is φ = 484880880400.

The previous prime is 1212202201009. The next prime is 1212202201039. The reversal of 1212202201010 is 101022022121.

It can be written as a sum of positive squares in 2 ways, for example, as 1201104210601 + 11097990409 = 1095949^2 + 105347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12122022010102 (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 3 ways as a sum of consecutive naturals, for example, 60610110041 + ... + 60610110060.

Almost surely, 21212202201010 is an apocalyptic number.

1212202201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212202201010 is a deficient number, since it is larger than the sum of its proper divisors (969761760826).

1212202201010 is a wasteful number, since it uses less digits than its factorization.

1212202201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121220220108.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212202201010 its reverse (101022022121), we get a palindrome (1313224223131).

The spelling of 1212202201010 in words is "one trillion, two hundred twelve billion, two hundred two million, two hundred one thousand, ten".

Divisors: 1 2 5 10 121220220101 242440440202 606101100505 1212202201010