1087212312644 has 48 divisors (see below), whose sum is σ = 1979399600640. Its totient is φ = 521955601920.

The previous prime is 1087212312611. The next prime is 1087212312671. The reversal of 1087212312644 is 4462132127801.

1087212312644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1087212312644² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11940362 + ... + 12031070.

It is an arithmetic number, because the mean of its divisors is an integer number (41237491680).

Almost surely, 2^{1087212312644} is an apocalyptic number.

It is an amenable number.

1087212312644 is a deficient number, since it is larger than the sum of its proper divisors (892187287996).

1087212312644 is a wasteful number, since it uses less digits than its factorization.

1087212312644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91500 (or 91498 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 1087212312644 in words is "one trillion, eighty-seven billion, two hundred twelve million, three hundred twelve thousand, six hundred forty-four".