1212087682 has 16 divisors (see below), whose sum is σ = 1959185592. Its totient is φ = 559082880.

The previous prime is 1212087673. The next prime is 1212087697. The reversal of 1212087682 is 2867802121.

It can be written as a sum of positive squares in 4 ways, for example, as 192626641 + 1019461041 = 13879^2 + 31929^2 .

It is a super-2 number, since 2×1212087682² = 2938313097712266248, which contains 22 as substring.

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, 31878 + ... + 58654.

Almost surely, 2^1212087682 is an apocalyptic number.

1212087682 is a deficient number, since it is larger than the sum of its proper divisors (747097910).

1212087682 is a wasteful number, since it uses less digits than its factorization.

1212087682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28533.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1212087682 is about 34815.0496481048. The cubic root of 1212087682 is about 1066.2147327451.

The spelling of 1212087682 in words is "one billion, two hundred twelve million, eighty-seven thousand, six hundred eighty-two".