Search a number
-
+
1212431301102 = 237269107313799
BaseRepresentation
bin10001101001001010100…
…010010111100111101110
311021220111102101122012210
4101221022202113213232
5124331024403113402
62324552214311250
7153411115006260
oct21511242274756
94256442348183
101212431301102
1142820995265a
12176b88958526
138a440c00088
1442979537b30
152181125406c
hex11a4a8979ee

1212431301102 has 32 divisors (see below), whose sum is σ = 2781573696000. Its totient is φ = 345121174368.

The previous prime is 1212431301077. The next prime is 1212431301113. The reversal of 1212431301102 is 2011031342121.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 53645602 + ... + 53668197.

It is an arithmetic number, because the mean of its divisors is an integer number (86924178000).

Almost surely, 21212431301102 is an apocalyptic number.

1212431301102 is an abundant number, since it is smaller than the sum of its proper divisors (1569142394898).

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

1212431301102 is a wasteful number, since it uses less digits than its factorization.

1212431301102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107314080.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1212431301102 its reverse (2011031342121), we get a palindrome (3223462643223).

The spelling of 1212431301102 in words is "one trillion, two hundred twelve billion, four hundred thirty-one million, three hundred one thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 269 538 807 1614 1883 3766 5649 11298 107313799 214627598 321941397 643882794 751196593 1502393186 2253589779 4507179558 28867411931 57734823862 86602235793 173204471586 202071883517 404143767034 606215650551 1212431301102