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102202213031212 = 227193171587148693
BaseRepresentation
bin10111001111001111001110…
…100110100101110100101100
3111101212102202221122200212011
4113033033032212211310230
5101343440113013444322
61001211014250451004
730345603054066340
oct2717171646456454
9441772687580764
10102202213031212
112a623795939278
12b567582433a64
1345048203412b8
141b34883653620
15bc37aa164677
hex5cf3ce9a5d2c

102202213031212 has 192 divisors, whose sum is σ = 225616713154560. Its totient is φ = 39523761043200.

The previous prime is 102202213031201. The next prime is 102202213031249. The reversal of 102202213031212 is 212130312202201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 687262738 + ... + 687411430.

It is an arithmetic number, because the mean of its divisors is an integer number (1175087047680).

Almost surely, 2102202213031212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102202213031212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112808356577280).

102202213031212 is an abundant number, since it is smaller than the sum of its proper divisors (123414500123348).

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

102202213031212 is a wasteful number, since it uses less digits than its factorization.

102202213031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149412 (or 149410 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102202213031212 its reverse (212130312202201), we get a palindrome (314332525233413).

The spelling of 102202213031212 in words is "one hundred two trillion, two hundred two billion, two hundred thirteen million, thirty-one thousand, two hundred twelve".