1201012100983 has 2 divisors, whose sum is σ = 1201012100984. Its totient is φ = 1201012100982.

The previous prime is 1201012100963. The next prime is 1201012101031. The reversal of 1201012100983 is 3890012101021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201012100983 - 2⁹ = 1201012100471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201012100923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600506050491 + 600506050492.

It is an arithmetic number, because the mean of its divisors is an integer number (600506050492).

Almost surely, 2^{1201012100983} is an apocalyptic number.

1201012100983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201012100983 is an equidigital number, since it uses as much as digits as its factorization.

1201012100983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 1201012100983 in words is "one trillion, two hundred one billion, twelve million, one hundred thousand, nine hundred eighty-three".