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1012202012 = 221032456801
BaseRepresentation
bin111100010101001…
…111101000011100
32121112122012010102
4330111033220130
54033110431022
6244235000232
734040401163
oct7425175034
92545565112
101012202012
1147a3a8398
12242b99078
13131920103
14986063da
155dce1a92
hex3c54fa1c

1012202012 has 12 divisors (see below), whose sum is σ = 1788551856. Its totient is φ = 501187200.

The previous prime is 1012201997. The next prime is 1012202021. The reversal of 1012202012 is 2102022101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012201984 and 1012202002.

It is a congruent number.

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, 1227989 + ... + 1228812.

It is an arithmetic number, because the mean of its divisors is an integer number (149045988).

Almost surely, 21012202012 is an apocalyptic number.

It is an amenable number.

1012202012 is a deficient number, since it is larger than the sum of its proper divisors (776349844).

1012202012 is a wasteful number, since it uses less digits than its factorization.

1012202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456908 (or 2456906 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1012202012 is about 31815.1223791454. The cubic root of 1012202012 is about 1004.0509053410.

Adding to 1012202012 its reverse (2102022101), we get a palindrome (3114224113).

The spelling of 1012202012 in words is "one billion, twelve million, two hundred two thousand, twelve".

Divisors: 1 2 4 103 206 412 2456801 4913602 9827204 253050503 506101006 1012202012