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202001212111210 = 2544578945313189
BaseRepresentation
bin101101111011100000010010…
…011111011111100101101010
3222111020010102210021112112021
4231323200102133133211222
5202434041440300024320
61553342024210135054
760356051226512521
oct5573402237374552
9874203383245467
10202001212111210
1159400262092236
121a7a523128148a
13889382b998205
1437c4ca74774b8
1518547ad69adaa
hexb7b8127df96a

202001212111210 has 16 divisors (see below), whose sum is σ = 363603005461800. Its totient is φ = 80800301808576.

The previous prime is 202001212111159. The next prime is 202001212111211. The reversal of 202001212111210 is 12111212100202.

It can be written as a sum of positive squares in 4 ways, for example, as 200676150972441 + 1325061138769 = 14166021^2 + 1151113^2 .

It is not an unprimeable number, because it can be changed into a prime (202001212111211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18198705 + ... + 27114484.

Almost surely, 2202001212111210 is an apocalyptic number.

202001212111210 is a deficient number, since it is larger than the sum of its proper divisors (161601793350590).

202001212111210 is a wasteful number, since it uses less digits than its factorization.

202001212111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45758985.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202001212111210 its reverse (12111212100202), we get a palindrome (214112424211412).

The spelling of 202001212111210 in words is "two hundred two trillion, one billion, two hundred twelve million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 445789 891578 2228945 4457890 45313189 90626378 226565945 453131890 20200121211121 40400242422242 101000606055605 202001212111210