2061210987 has 48 divisors (see below), whose sum is σ = 3498633216. Its totient is φ = 1156320000.

The previous prime is 2061210947. The next prime is 2061210997. The reversal of 2061210987 is 7890121602.

2061210987 is a `hidden beast` number, since 20 + 612 + 10 + 9 + 8 + 7 = 666.

It is not a de Polignac number, because 2061210987 - 2¹⁰ = 2061209963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2061210937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55987 + ... + 85187.

It is an arithmetic number, because the mean of its divisors is an integer number (72888192).

Almost surely, 2^2061210987 is an apocalyptic number.

2061210987 is a deficient number, since it is larger than the sum of its proper divisors (1437422229).

2061210987 is a wasteful number, since it uses less digits than its factorization.

2061210987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29272 (or 29269 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 2061210987 is about 45400.5615273644. The cubic root of 2061210987 is about 1272.6456075765.

The spelling of 2061210987 in words is "two billion, sixty-one million, two hundred ten thousand, nine hundred eighty-seven".