1061563212 has 96 divisors (see below), whose sum is σ = 2997120000. Its totient is φ = 323652672.

The previous prime is 1061563207. The next prime is 1061563213. The reversal of 1061563212 is 2123651601.

1061563212 is a `hidden beast` number, since 1 + 0 + 6 + 15 + 632 + 12 = 666.

It is a super-2 number, since 2×1061563212² = 2253832906143513888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1061563213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50589 + ... + 68427.

It is an arithmetic number, because the mean of its divisors is an integer number (31220000).

Almost surely, 2^1061563212 is an apocalyptic number.

1061563212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061563212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498560000).

1061563212 is an abundant number, since it is smaller than the sum of its proper divisors (1935556788).

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

1061563212 is a wasteful number, since it uses less digits than its factorization.

1061563212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17900 (or 17892 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1061563212 is about 32581.6391852835. The cubic root of 1061563212 is about 1020.1137935328.

The spelling of 1061563212 in words is "one billion, sixty-one million, five hundred sixty-three thousand, two hundred twelve".