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121131303212130 = 2354037710107071
BaseRepresentation
bin11011100010101100010100…
…010011001001010001100010
3120212220001001210100202000020
4123202230110103021101202
5111334103402110242010
61105342541422534310
734341306420626631
oct3342542423112142
9525801053322006
10121131303212130
113566155185a852
1211704084437396
13527882c58b073
1421cab01a9b518
15e00d83357470
hex6e2b144c9462

121131303212130 has 16 divisors (see below), whose sum is σ = 290715127709184. Its totient is φ = 32301680856560.

The previous prime is 121131303212081. The next prime is 121131303212147. The reversal of 121131303212130 is 31212303131121.

It is a self number, because there is not a number n which added to its sum of digits gives 121131303212130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018855053506 + ... + 2018855053565.

It is an arithmetic number, because the mean of its divisors is an integer number (18169695481824).

Almost surely, 2121131303212130 is an apocalyptic number.

121131303212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131303212130 is an abundant number, since it is smaller than the sum of its proper divisors (169583824497054).

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

121131303212130 is a wasteful number, since it uses less digits than its factorization.

121131303212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037710107081.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121131303212130 its reverse (31212303131121), we get a palindrome (152343606343251).

The spelling of 121131303212130 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred three million, two hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4037710107071 8075420214142 12113130321213 20188550535355 24226260642426 40377101070710 60565651606065 121131303212130