1211241601402 has 32 divisors (see below), whose sum is σ = 2080225889280. Its totient is φ = 518150943360.

The previous prime is 1211241601393. The next prime is 1211241601433. The reversal of 1211241601402 is 2041061421121.

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, 62204124 + ... + 62223592.

It is an arithmetic number, because the mean of its divisors is an integer number (65007059040).

Almost surely, 2^{1211241601402} is an apocalyptic number.

1211241601402 is a deficient number, since it is larger than the sum of its proper divisors (868984287878).

1211241601402 is a wasteful number, since it uses less digits than its factorization.

1211241601402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27406.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 1211241601402 in words is "one trillion, two hundred eleven billion, two hundred forty-one million, six hundred one thousand, four hundred two".