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2120212013212 = 221577694390291
BaseRepresentation
bin11110110110100110011…
…110111110000010011100
321111200122012221211220201
4132312212132332002130
5234214143233410322
64302002325353244
7306115554520546
oct36664636760234
97450565854821
102120212013212
117481a4453637
122a2ab2868824
13124c20650a37
1474894024696
153a2418b1d27
hex1eda67be09c

2120212013212 has 24 divisors (see below), whose sum is σ = 3738860473040. Its totient is φ = 1051983728640.

The previous prime is 2120212013137. The next prime is 2120212013267. The reversal of 2120212013212 is 2123102120212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120212013212.

It is a congruent number.

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, 1712214 + ... + 2678077.

Almost surely, 22120212013212 is an apocalyptic number.

It is an amenable number.

2120212013212 is a deficient number, since it is larger than the sum of its proper divisors (1618648459828).

2120212013212 is a wasteful number, since it uses less digits than its factorization.

2120212013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391221 (or 4391219 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2120212013212 its reverse (2123102120212), we get a palindrome (4243314133424).

The spelling of 2120212013212 in words is "two trillion, one hundred twenty billion, two hundred twelve million, thirteen thousand, two hundred twelve".

Divisors: 1 2 4 157 314 628 769 1538 3076 120733 241466 482932 4390291 8780582 17561164 689275687 1378551374 2757102748 3376133779 6752267558 13504535116 530053003303 1060106006606 2120212013212