Search a number
-
+
122220010211212 = 22231328478371861
BaseRepresentation
bin11011110010100010010000…
…010010110000011110001100
3121000202010012122122121210201
4123302202100102300132030
5112004423040103224322
61111535033024143244
734513050534502354
oct3362422022603614
9530663178577721
10122220010211212
1135a4124054a031
121185b082167b24
1353273b3821874
1422276a13c3b64
15e1e35268dd27
hex6f28904b078c

122220010211212 has 12 divisors (see below), whose sum is σ = 223184366472816. Its totient is φ = 58453048361840.

The previous prime is 122220010211203. The next prime is 122220010211339. The reversal of 122220010211212 is 212112010022221.

It is a self number, because there is not a number n which added to its sum of digits gives 122220010211212.

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, 664239185839 + ... + 664239186022.

It is an arithmetic number, because the mean of its divisors is an integer number (18598697206068).

Almost surely, 2122220010211212 is an apocalyptic number.

It is an amenable number.

122220010211212 is a deficient number, since it is larger than the sum of its proper divisors (100964356261604).

122220010211212 is a wasteful number, since it uses less digits than its factorization.

122220010211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328478371888 (or 1328478371886 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122220010211212 its reverse (212112010022221), we get a palindrome (334332020233433).

The spelling of 122220010211212 in words is "one hundred twenty-two trillion, two hundred twenty billion, ten million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 1328478371861 2656956743722 5313913487444 30555002552803 61110005105606 122220010211212